高中英语语法专项练习之主语从句
高中英语主语从句练习及答案
英语练习: 主语从句Ⅰ. 用适当的连接词填空1.They lost their way in the forest and ______made matters worse was ______nightbegan to fall.what, that and连接两个分句，and后面的分句中含有一个主语从句和一个表语从句；主语从句中缺主语，what made matters worse “使事情更糟糕的是…”，后面的night began to fall意义完整，作表语，不需要有意义的引导词，所以填that。
2. There is no doubt, in my opinion, that _________matters is not the quantity, but the quality of the products.There is no doubt that…. “毫无疑问…”，in my opinion 是插入语，that引导的是一个同位语从句。
that同位语从句中又含有一个主语从句:_____matters, matter 是谓语动词，指“有关系，要紧，重要”，其前无主语，所以填what。
3. It doesn’t interest me _______you succeed or not.It是形式主语，替代后面的主语从句。
由or not可知该空填whether。
4. _______the astronaut ate his food in space is _______we want to know.How, what（如果你懂得来龙去脉，可以不看下面的文字）一定要懂得句子作一个成分如主语或宾语时，一定有一个引导词+陈述句，而这个引导词的选择取决于意义和句子成分。
还有一点关键的，不少同学不会断句，根本不知道哪里是从句。
如果一眼看不出来，先找动词，动词要不前面有名词或代词，要不后面有名词或代词，如果是不及物动词，后面就没有宾语。
高中英语主语从句用法练习题50题(答案解析)
高中英语主语从句用法练习题50题(答案解析)1. ____ is still unknown whether we can go back to the past through time - traveling.A. ItB. ThatC. WhatD. Which答案解析：A。
在这个句子中，“whether we can go back to the past through time - traveling”是真正的主语从句，为了避免句子头重脚轻，使用it作形式主语，这是it作形式主语的常见用法。
选项B“that”引导主语从句时无实际意义，但在此处不符合句子结构需求。
选项C“what”在主语从句中要充当成分，这里不需要。
选项D“which”表示“哪一个”，不符合句子语境。
2. ____ makes me happy is that I have passed the difficult English exam.A. ItB. ThatC. WhatD. Which答案解析：C。
这里“____ makes me happy”是主语从句，从句中缺少主语，“what”可以在主语从句中充当主语，表示“……的事物”。
选项A“it”作形式主语时，句子结构应为“it + be + 形容词+ that从句”，不符合此句结构。
选项B“that”引导主语从句时在从句中不充当成分，这里从句缺主语，所以不行。
选项D“which”表示在一定范围内的“哪一个”，不适合此语境。
3. ____ is a fact that the earth moves around the sun.A. ItB. ThatC. WhatD. Which答案解析：A。
“that the earth moves around the sun”是真正的主语从句，这里使用it作形式主语，这是典型的it作形式主语的结构，“it + be + 名词+ that从句”。
高中英语主语从句练习题20题含答案解析
高中英语主语从句练习题20题含答案解析1._____ he will come or not is still a question.A.ThatB.WhetherC.WhoD.What答案解析：B。
“Whether...or not”是固定搭配，表示“是否”。
A 选项that 在主语从句中不表示“是否”的意思；C 选项who 表示“谁”，不符合语境；D 选项what 表示“什么”，也不符合题意。
2._____ surprised us most was his attitude.A.ThatB.WhetherC.WhoD.What答案解析：D。
what 在主语从句中充当主语，表示“什么”。
A 选项that 在主语从句中无实际意义，只起连接作用；B 选项whether 表示“是否”；C 选项who 表示“谁”，在这里都不符合语境。
3._____ is known to us all is that the earth is round.A.ThatB.WhetherC.WhoD.What答案解析：A。
“That is known to us all”是固定句式，that 在主语从句中无实际意义，只起连接作用。
B 选项whether 表示“是否”；C 选项who 表示“谁”；D 选项what 表示“什么”，在这里都不合适。
4._____ he has done is very important.A.ThatB.WhetherC.WhoD.What答案解析：D。
what 在主语从句中充当宾语，表示“他所做的事情”。
A 选项that 在主语从句中无实际意义，只起连接作用；B 选项whether 表示“是否”；C 选项who 表示“谁”，在这里都不符合语境。
5._____ will win the game is not clear.A.ThatB.WhetherC.WhoD.What答案解析：C。
根据语境，“谁会赢得比赛还不清楚”，who 在主语从句中充当主语，表示“谁”。
高中英语主语从句专项练习
高中英语主语从句专项练习标题：高中英语主语从句专项练习一、主语从句概述主语从句是在句子中起主语作用的从句，是英语语法中的重要内容之一。
掌握好主语从句的用法和规则对于理解英语句子的结构和意义至关重要。
二、主语从句类型1、That引导的主语从句：例如，That you are coming to England is great news.2、Whether引导的主语从句：例如，Whether they agree or not remains to be seen.3、疑问词引导的主语从句：例如，How this happened is not clear.4、名词性从句简化形式的主语从句：例如，It is a pity that you should have missed the lecture.三、主语从句练习1、（） + that从句A. 祈使句B. 感叹句C. 陈述句D. 疑问句答案：C. 陈述句解析：主语从句需要用一个完整的句子作为主语，因此只有陈述句符合要求。
2、主语从句的语序通常是（）A. 疑问式B. 感叹式C. 陈述式D. 祈使式答案：C. 陈述式解析：主语从句的语序通常是陈述式，即主语在前，谓语在后。
3、下列句子中，不是主语从句的是（）A. When he will come is not known.B. What he wants is a book.C. Whether they will come or not depends on the weather.D. You are what you wear. 答案：D. You are what you wear. 解析：D项是一个名词性从句的简化形式，而不是真正的主语从句。
四、主语从句注意事项1、主语从句的时态规则：主语从句的时态要与主句的时态保持一致。
2、主语从句的语气规则：使用虚拟语气的情况，如It is necessary that...，常用于描述感情、态度等。
高一英语主语从句的用法练习题40题(带答案)
高一英语主语从句的用法练习题40题(带答案)1. ______ made her mother angry was that she didn't pass the exam.A. ItB. WhatC. ThatD. Which答案解析：B。
本题考查主语从句的引导词。
在这个句子中，“______ made her mother angry”是主语从句，这个从句中缺少主语，表示“什么让她妈妈生气”，所以要用what来引导。
选项A的it不能引导主语从句；选项C的that在主语从句中不充当任何成分，只起连接作用，这里从句缺少成分，所以不选；选项D的which表示“哪一个”，不符合句子意思。
2. ______ we will go for a picnic tomorrow depends on the weather.A. IfB. WhetherC. ThatD. Where答案解析：B。
这里考查主语从句的引导词。
“______ we will go for a picnic tomorrow”是主语从句，表示“我们明天是否去野餐”，if不能引导主语从句放在句首，所以A错误；whether有“是否”的意思，可以引导主语从句，B正确；that在主语从句中不充当成分，这里从句需要表达“是否”的意思，C错误；where表示地点，不符合句子意思，D错误。
3. ______ is known to all, China is a developing country.A. ItB. AsC. ThatD. Which答案解析：B。
在这个句子中，“______ is known to all”是主语从句。
as引导的主语从句可以放在句首，有“正如”的意思，这里表示“正如大家所知道的”。
it不能引导这种形式的主语从句，A错误；that引导主语从句时，在句中不充当成分，这里需要有“正如”的意思，C错误；which不能引导这种放在句首表示“正如”意思的主语从句，D错误。
(完整版)高中英语主语从句练习题(可编辑修改word版)
主语从句练习题一．翻译1．(谁将去接他) is not decided.2．(哪个班极会赢得这场足球赛) is not clear .3．(他能否买到飞机票) doesn’t matter much. 4．(我们如何去那里) is a question.5．(你刚才告诉我的) was really a surprise. 6．(他什么时候出国) is being discussed7．(他为什么哭) is not clear.8．It is clear (他是一个乞丐).9．(你要请谁) is not important.10．(我们将在哪里举行篮球赛) is not clear.二．找出下列句子中的主语从句及其引导词，并且指出引导词是否充当成分，充当什么成分。
1.That we shall be late is certain.2.That the driver could not control his car was obvious.3.It is certain that we shall be late.4.It was obvious that the driver could not control his car.5.Is it possible that they will come tomorrow？6.It is clear that he was telling the truth.7.It’s probable that we’ll be a little late.8.What caused the accident is a complete mystery.9.It worried her a bit that her hair was turning grey.10.It shocked me that Peter didn’t tell anybody where he was.11.Who was responsible for the accident is not yet clear.12.It’s a pity that you can’t go with us.13.What he did is not yet known.14.It is said that he has been there many times.15.It is not yet clear who was responsible for the accident.16.When they will have the sports meet is still a question.17.It seems that he has lost something.18.What he said at the meeting encouraged everyone.19.What caused the accident was a broken bottle.20.It remains a problem whether it is true.21.Whoever breaks the law is sure to be punished.22.What she looks like doesn’t matter.23.How this happened is not clear to anyone.24.Whoever comes is welcome.25.Wh ether he’ll come here isn’t clear.三．用适当的引导词填空。
高中英语主语从句练习及答案
英语练习: 主语从句Ⅰ. 用适当的连接词填空1.They lost their way in the forest and ______made matters worse was ______nightbegan to fall.what, that and连接两个分句，and后面的分句中含有一个主语从句和一个表语从句；主语从句中缺主语，what made matters worse “使事情更糟糕的是…”，后面的night began to fall意义完整，作表语，不需要有意义的引导词，所以填that。
2. There is no doubt, in my opinion, that _________matters is not the quantity, but the quality of the products.There is no doubt that…. “毫无疑问…”，in my opinion 是插入语，that引导的是一个同位语从句。
that同位语从句中又含有一个主语从句:_____matters, matter 是谓语动词，指“有关系，要紧，重要”，其前无主语，所以填what。
3. It doesn’t interest me _______you succeed or not.It是形式主语，替代后面的主语从句。
由or not可知该空填whether。
4. _______the astronaut ate his food in space is _______we want to know.How, what（如果你懂得来龙去脉，可以不看下面的文字）一定要懂得句子作一个成分如主语或宾语时，一定有一个引导词+陈述句，而这个引导词的选择取决于意义和句子成分。
还有一点关键的，不少同学不会断句，根本不知道哪里是从句。
如果一眼看不出来，先找动词，动词要不前面有名词或代词，要不后面有名词或代词，如果是不及物动词，后面就没有宾语。
高中英语主语从句练习题20题(答案解析)
高中英语主语从句练习题20题(答案解析)1._____ is known to all that the earth is round.A.ThatB.ItC.AsD.What答案解析：B。
“It is known to all that...”是固定句型，it 作形式主语，真正的主语是that 引导的从句。
A 选项that 不能直接放在句首作形式主语；C 选项as 引导的非限制性定语从句通常放在句首，语义不符；D 选项what 引导主语从句时不能用在这个句型中。
2._____ is important for us to learn English well.A.ThatB.ItC.ThisD.One答案解析：B。
“It is important for sb to do sth”是固定句型，it 作形式主语，真正的主语是动词不定式to learn English well。
A 选项that 无此用法；C 选项this 不能作形式主语；D 选项one 也不能作形式主语。
3._____ seems impossible that he can finish the task in such a short time.A.ThatB.ItC.ThisD.He答案解析：B。
“It seems impossible that...”是固定句型，it 作形式主语，真正的主语是that 引导的从句。
A 选项that 不能作形式主语；C 选项this 不能作形式主语；D 选项he 不是形式主语的正确用法。
4._____ is a pity that you missed the concert.A.ThatB.ItC.ThisD.What答案解析：B。
“It is a pity that...”是固定句型，it 作形式主语，真正的主语是that 引导的从句。
A 选项that 不能作形式主语；C 选项this 不能作形式主语；D 选项what 引导主语从句时不能用在这个句型中。
普通高中英语主语从句专项训练(打印版)
主语从句专项训练（三）姓名：得分：1.has helped to save the drowning girl is worth praising.A. WhoB. The oneC. AnyoneD. Whoever2. It was he said disappointed me.A. what ; thatB. that; thatC. what; whatD. that; what3. we’ll go camping tomorrow depends on the weather.A. IfB. WhetherC. ThatD. Where4. he said at the meeting surprised everybody present.A. WhatB. ThatC. The factD. The matter5. was to return to school.A. That really interested himB. What really interested himC. Which really interested himD. That interest him really6. makes mistakes must correct them.A. WhatB. ThatC. WhoeverD. Whatever7._______ he made an important speech at the meeting was true.A. ThatB. WhyC. WhatD. How8. It worried her a bit ______ her hair was turning gray.A. whetherB. thatC. whatD. when9.What I say and think ___ none of your business.A. isB. areC. has D have10. Does _______ matter if he can't finish the job on time?A. thisB. thatC. heD. it11. _______ is a fact that English is being accepted as an international language.A. ThereB. ThisC. ThatD. It12. _______ what they told me really true?A. HasB. IsC. DoesD. Have13. It matters little _____ a man dies, but ____ matters much is ____ he lives.A. how; what; howB. how; it; howC. why; it; whyD. that; what; that14. ____ she couldn't understand was ____ fewer and fewer students showed interestin her lessons.A. What; whyB. That; whatC. What; becauseD. Why; that15. It is pretty well understood _______ controls the flow of carbon dioxide in and outthe atmosphere today.A. thatB. whenC. whatD. how16. _______ fashion differs from country to country may reflect the culturaldifferences from one aspect.A. WhatB. ThatC. ThisD. Which17. -What made her parents so angry?- _______ she had failed in the examination.A. AsB. BecauseC. SinceD. That18. It was a matter of _______ would take the position.A. whoB. whoseC. whomD. whomever19. -I drove to Zhuhai for the air show last week.-Is that _______ you had a few days off?A. whyB. whenC. whatD. where20. I read about it in some book or other, does it matter _______ it was?A. whereB. whatC. howD. which21. It is necessary that a college student _______ at least a foreign language.A. mastersB. should masterC. masteredD. will master22.When and why he came here ________ yet.A. is not knownB. are not knownC. has not knownD. have not known23.________ is no reason for dismissing her.A. Because she was a few minutes lateB. Owing to a few minutes lateC. The fact that she was a few minutes lateD. Being a few minutes late24.________ Tom liked to eat was different from ________.A. That;that you had expectedB. What ;that you had expectedC. That;what you had expectedD. What;what you had expected25.________ we go swimming every day ________ us a lot of good.A. If;doB. That;.doC. If.;doesD. That;does26.It ________ Bob drives badly.A. thinks thatB. is thought whatC. thought thatD. is thought that27.It's uncertain ________ the experiment is worth doing.A. ifB. thatC. whetherD. how28________ the boy didn't take medicine made his mother angry.A. ThatB. WhatC. HowD. Which29____ we can't get seems better than ____ we have.A. What, whatB. What, thatC. That, thatD. That, what30.____ you don't like him is none of my business.A. WhatB. WhoC. ThatD. Whether31._________is going to do the job will be decided by the Party committee.. A. That B. Why C. How D. Who32._______we'll finish translating the book depends on the time.A. WhenB. WhyC. WhatD. That33.______he won't go there is clear to all of us.A. HowB. WhatC. WhyD. This34.______the house will be built will be discussed at tomorrow's meeting.A. IfB. WhereC. ThatD. What35._______you come or not is up to you.A. WhatB. IfC. WhyD. Whether36._______team will win the match is a matter of public concern.A. WhichB. ThatC. IfD. How37.________leaves the room last ought to turn off the lights.A. AnyoneB. The personC. WhoeverD. Who38.________ comes to the party will receive a gift.A. No matter whoB. WhoC. Which oneD. Whoever39.___ Mary can come to the meeting is unknown.A. WhetherB. IfC. ThatD. Which40____ he always serves the people very well is known .A. WhatB. ThatC. WhichD. Who41.I have always been honest , and it doesn’t matter___I’m talking to.A. who is itB. who it isC. it is whoD. it is whom42.Great changes have taken place in that school.It is no longer it was 20 years ago, poorly equipped.A.what; whenB.that;whichC.what;whichD.which;that43.It is said was all he said.A.that;that;thatB.what;what;whatC.that;which;whatD.that;that;which44.Makes this shop different is that it offers more personal services.A.WhatB.WhoC.WhateverD.Whoever45.wants to stay in a hotel has to pay their own way .A. AnyoneB.The oneC.WhoeverD.Who46.is our belief that improvements in health care will lead to a stronger,more prosperous economy.A.AsB.ThatC.ThisD.It47.Team wins on Saturday will go through to the national championships.A.No matter whatB.No matter whichC.WhateverD.Whichever48.It has been proved eating vegetables in childhood helps to protect you against serious illnesses in later life.A.ifB.becauseC.whenD.that49.in the regulations that you should not tell other people the password of your e-mail account.A.What is requiredB.What requiresC.It is requiredD.It requires50.用who/what/where/why/which/whether填空。
高考英语专项复习：主语从句讲解及练习(附答案)
主语从句讲解及练习主语从句一、概述：在句子中起名词作用的各种从句统称为名词性从句。
根据它们在句中的语法作用，这类从句又可分为主语从句、同位语从句、表语从句和宾语从句。
二.主语从句主要有三类：（1）由连词that引导的主语从句:引导词that无含义,在句中不做成分,不可以省。
例如：That you will win the medal seems unlikely.你想获得奖牌看起来是不可能的。
That you are so indifferent bothers me.你如此冷淡使我很烦恼。
That she survived the accident is a miracle.她在事故中幸免于难简直是奇迹。
（2）用连词 whether 引导的主语从句:whether有含义(是否),在句中不做成分,不可以省。
例如：Whether she is coming or not doesn’t matter too much.她来不来都无关紧要。
（3）用连接代词引导的主语从句(在由连接代词who, whose, whom, which, what, whoever, whomever, whichever, whatever引导的名词性从句中，其连接代词在句中起名词性作用，担当一定成分).例如：What you need is more practice.你所需要的是更多的训练。
What I want to know is this. 我想知道的就是这事。
Whatever we do is to serve the people.我们无论做什么都是为人民服务。
（4）连接副词when, where, why, how引导的名词性从句(其连接副词有含义,在句中作状语。
)eg:Where we should leave it is a problem.When they will come hasn’t been made pubic.他们什么时候来还不知道。
高中英语主语从句练习题20题含答案解析
高中英语主语从句练习题20题含答案解析1. It is important that we protect the environment.A. thatB. whatC. whichD. when答案解析：A。
本题考查主语从句中it 作形式主语的用法。
“It is important that...”是固定句型，其中that 引导的主语从句后置，it 作形式主语。
选项B“what”引导名词性从句时在从句中要充当成分；选项C“which”通常引导定语从句；选项D“when”引导时间状语从句。
2. It is known to all that the earth is round.A. thatB. whatC. whichD. who答案解析：A。
“It is known to all that...”是固定句型，that 引导主语从句后置，it 作形式主语。
选项B“what”在从句中需充当成分；选项C“which”通常引导定语从句；选项D“who”通常指人，在本题中不适用。
3. It is a pity that he missed the concert.A. thatB. whatD. when答案解析：A。
“It is a pity that...”是固定句型，that 引导主语从句后置，it 作形式主语。
选项B“what”在从句中需充当成分；选项C“which”通常引导定语从句；选项D“when”引导时间状语从句。
4. It seems that he is very busy.A. thatB. whatC. whichD. when答案解析：A。
“It seems that...”是固定句型，that 引导主语从句后置，it 作形式主语。
选项B“what”在从句中需充当成分；选项C“which”通常引导定语从句；选项D“when”引导时间状语从句。
5. It is reported that a new bridge will be built next year.A. thatB. whatC. whichD. when答案解析：A。
主语从句重点练习50题
主语从句重点练习50题1. _____ is important for us to learn English well.A. ThatB. ItC. ThisD. What答案：B。
本题考查it 作形式主语的主语从句。
It 在句中作形式主语，真正的主语是后面的动词不定式短语“to learn English well”。
A 选项“that”引导主语从句时，在句中不充当任何成分；C 选项“this”一般不引导主语从句；D 选项“what”在主语从句中充当成分，而本句不缺成分。
2. _____ makes mistakes must correct them.A. WhoB. AnyoneC. WhoeverD. Anybody答案：C。
“whoever”引导主语从句，表示“无论谁”。
A 选项“who”表示“谁”，没有“无论谁”的意思；B 选项“anyone”不是引导词；D 选项“anybody”也不是引导词。
3. _____ he will come or not is unknown.A. WhetherB. IfC. ThatD. What答案：A。
whether 引导主语从句，表示“是否”，且whether...or not 是固定搭配。
B 选项“if”也表示“是否”，但不能与or not 连用；C 选项“that”在主语从句中不表示“是否”；D 选项“what”在句中充当成分，本句不缺成分。
4. _____ we need is more time.A. ThatB. WhatC. WhetherD. If答案：B。
本题考查what 引导的主语从句。
what 在从句中充当need 的宾语。
A 选项“that”在从句中不充当成分；C 选项“whether”表示“是否”；D 选项“if”也表示“是否”。
5. _____ she did is not known.A. WhatB. HowC. ThatD. Where答案：A。
主语从句专项练习 (含答案)
主语从句专项练习 (含答案)1.XXX.2.That her hair was XXX.3.It is not known when and why he came here.4.The fact that she was a few minutes late is no reason for dismissing her.5.What Tom liked to eat was different from what you had expected.6.If we go swimming every day。
it does us a lot of good.7.It XXX Bob drives badly.8.XXX uncertain.1.XXX.2.XXX.3.The time and reason for his arrival here are unknown.4.The fact that she was a few minutes late is not a valid reason for dismissal.5.XXX'XXX.6.XXX.7.It is believed that Bob is a poor driver.8.The value of the experiment is uncertain.9.The fact that the boy XXX.10.What we can't get seems better than what we have.11.XXX you like him or not is none of my business.12.XXX.13.Who is going to do the job will be decided by the Party XXX.14.When we'll finish translating the book depends on the time.15.Why he won't go there is clear to all of us.16.What the house will be built like will be discussed XXX.17.Whether you come or not is up to you.18.Is it true that the famous scientist will give us a lecture next week?29.B。
高考专项练习之主语从句(含答案解析,全国统用)
高考专项练习之主语从句1. ________it says is ________ it fights it，and that is not the same thing at all．（）A. All what；thatB. That；thatC. That；whatD. What；that2. But______ theygrow they make sure that what is left in the ground after harvesting______ a natural fertilizer for the next year's crop．（）A. whatever； becomeB. whichever； becomeC. whatever； beco mesD. whichever； becomes3. ________ worries me is the way he keeps changing his mind．（）A. ThisB. ThatC. WhatD. It4. ____ is obviously right is to give all children equal opportunities to develop their special gifts．（）A. WhichB. WhatC. ThatD. It5. ____makes this shop different is that it offers more personal services．（）A. WhatB. WhoC. WhateverD. Whoever6. After Yang Liwei succeeded in circling the earth，_____ our astronauts desire to do is walk in space．（）A. whereB. whatC. thatD. how7. ________ she couldn't understand was ________ fewer and fewer students showed interest in her lessons．（）A. What； whyB. That； whatC. What； becauseD. Why； that8. ____caused the accident is still a complete mystery．（）A. WhatB. ThatC. HowD. Where9. _____he said _____ to hurt you．（）A. That； didn't meanB. Which； meantC. What； didn't meanD. As； meant10. _____________ he said at the meeting astonished everybody present．（）A. WhatB. ThatC. The factD. The matter11. ______ you don't like him is none of my business．（）A. WhatB. WhoC. ThatD. Whether12. _____________ leaves the room last ought to turn off the lights．（）A. AnyoneB. The personC. WhoeverD. Who13. It has been proved_____eating vegetables in childhood helps to protect you against serious illnesses in later life．（）A. ifB. becauseC. whenD. that14. ________wants to stay in a hotel has to pay their own way．（）A. AnyoneB. The oneC. WhoeverD. Who15. ________ is known to us all is that the 2016Olympic Games will take place in Rio de Janeiro．（）A. ItB. WhatC. AsD. Which16. _________ we can't get seems better than __________ we have．（）A. What，whatB. What，thatC. That，thatD. That，what17. ________ we'll go camping tomorrow depends on the weather．（）A. IfB. WhetherC. ThatD. Where18. ________ made the school proud was________ more than 90% of the students had been admitted to key universi ties．（）A. What； becauseB. What； thatC. That； whatD. That； because19. ____________has helped to save the drowning girl is worth praising．（）A. WhoB. WhoeverC. AnyoneD. The one20. ______ the ancient Egyptians built the pyramids puzzled people for centuries．（）A. WhetherB. WhatC. HowD. Where21. ______ anyone should want to kill her was unbelievable．（）A. WhetherB. ThatC. WhatD. If22. ________ we need are better laws to protect the environment．（）A. WhichB. ThatC. WhatD. How23. __________they need __________ something to make them healthy and strong．（）A. What； areB. That； areC. All； isD. All which； is24. ___________has helped to save the drowning girl is worth praising．（）A. WhoB. The oneC. AnyoneD. Whoever25. It is becoming a threat to the Chinese language and culture _____ some people can't write Chinese characters pro perly．（）A. whichB. thatC. whetherD. how26. It is still unclear _____ the man didn't speak the truth．．（）A. thatB. howC. whenD. why27. _________ was determined at the meeting is that the government will develop a new educational system．（）A. WhatB. HowC. WhenD. That28. It came as a great surprise to the public ______ some state leaders'cellphones might have beenmonitored by America's National Security Agency．（）A. thatB. whetherC. whatD. which29. is where he gets all his money from．（）A. What I can't understand itB. That I can't understand itC. What I can't understandD. Which I can't understand30. ________ impressed me was the boy's ability to deal with this kind of trouble．（）A. ThatB. WhoC. WhetherD. What31. It is natural _____ children are curious about the world around them．（）A. thatB. whetherC. whatD. how32. It's better to understand _____ you don't understand when you read a story．（）A. howB. whetherC. whatD. that33. ________ surprised us most was _______ he hadn't been outdoors for 20 years．（）A. That； thatB. That； whatC. What； thatD. It； that34. Didn't it occur to you ______ we could have solved the problem in an easier way？（）A. thatB. whetherC. howD. why35. ______ surprised me most was that we had met each other here before．（）A. ThatB. ItC. WhichD. What36. ______ shocked the world was that North Korea carried out its nuclear bomb test again．（）A. WhichB. WhateverC. WhatD. That37. It is obvious to the students ______ they should get well prepared for their future．（）A. asB. whichC. whetherD. that38. ________ you can succeed in the end will mainly depend on _________ you do and _________ you do it．（）A. If； what； whyB. Whether； what； howC. Whether； how； whyD. That； whether； how39. It remains to be seen_______ the newly formed committee's policy can be put into practice．（）A. thatB. whichC. whatD. whether40. ____ made me more unhappy was ___ the boy asked my friend to be his girlfriend and she agreed．（）A. What； thatB. That； thatC. What； whetherD. It； that41. ____ he will offer us enough help doesn't matter a lot to our success．（）A. IfB. WhetherC. BeforeD. How42. ______ he is remembered for is his humorous style when he is talking．（）A. WhereB. ThatC. WhatD. How43. ______ you said at the meeting is good for the company．（）A. WhenB. HowC. ThatD. What44. is willing to volunteer in the 2022 Beijing Winter Olympics is welcome to join us．（）A. WhateverB. WhoeverC. WheneverD. Wherever45. _____the author of the book intends to express is not the loneliness of beingtrapped on a deserted island but the faith in overcoming any problem ahead．（）A. ThatB. HowC. WhatD. Why46. you choose to live there are always going to be disadvantages．（）A. WhateverB. WhereverC. WhicheverD. Whoever47. __________ Tom didn't pass the exam made his parents very upset．（）A. WhichB. WhatC. ThatD. When48. fashion differs from country to country may reflect the cultural differences from one aspect．（）A. WhatB. ThatC. ThisD. Which49. In today's China，_____ breaks the law is to be punished．（）A. wheneverB. whateverC. whereverD. whoever50. In today's China，_____ breaks the law is to be punished．（）A. wheneverB. whateverC. whereverD. whoever【答案】1. D2. C3. C4. B5. A6. B7. A8. A9. C 10. A11. C 12. C 13. D 14. C 15.B16. A 17. B 18. B 19. B 20.C21. B 22. C 23. C 24. D 25.B26. D 27. A 28. A 29. C 30.D31. A 32. C 33. C 34. A 35.D36. C 37. D 38. B 39. D 40.A41. B 42. C 43. D 44. B 45.C46. B 47. C 48. B 49. D 50.D【解析】1.答案D．分析句子结构可知，"and"连接两个并列的句子，前句中的谓语动词为"is"，"________it says"为主语从句，主语从句中动词"says"后缺少宾语，又不指人，因此需用疑问代词"what"引导；"what it says=all （that）it says"；"________ it fights it"为表语从句，表语从句中意思已完整，且不缺少成分，因此用连接词"that"引导；因此D项符合语境，故选D．它所说的就是它（这款牙膏）能对付它（口臭），然而这根本不是一码事．本题考查名词性从句．解答此类题目首先要读懂句意和分析句子结构，其次判断是名词性从句中的哪一种从句，然后再分析从句中的成分，如果从句中缺成分且不指代人时一般用what．2.答案：C．根据句意可知第一空whatever=no matter what表示"无论什么"，引导让步状语从句，whichever 也可以引导让步状语从句，但是前面需要有一定的范围．第二空，主语是what引导的名词性从句，所以谓语动词用单数形式．故选C．但是无论他们种什么，他们都确保收获后留在地面的东西可以成为第二年庄稼的天然的肥料．本题考查whatever引导让步状语从句的用法，和whichever的区别；第二空考查主谓一致，注意分析句子结构，判断是主语从句．3.答案：C 考查主语从句．分析句子可知____worries me为主语从句，从句中缺少主语，所以用what来引导，且what在从句中作主语．that引导主语从句不做成分；It 和this不是名词性从句的引导词，所以答案选C．使我担心的是他不断改变主意的方式．本句是一个主语从句，解题时要分析句子的结构判断是什么从句，然后根据不同从句的解题技巧选出不正确的答案．主语从句属于名词性从句中的一种，也是学生们需要掌握的一种基本的英语句型，引导名词性从句的连接词选择是考试的重点，学会分析从句的句子成分是解决名词性从句的解题关键．4.答案：B．分析句子成分结构可知，____ is obviously right是从句作主语，is to give…是系表结构．主语从句中，is right是从句系表结构，所以从句缺主语．which引导主语从句时，意为"哪一个？"，语意不符，排除A．引导主语从句时，that是连词，不作任何成分，排除C．若选D，则本题为it is obviously right is to give…，此时，第二个is是多余的．句子需要变成it is obviously right to give…时，语法结构才正确，故排除D．what引导主语从句是代词，作从句主语、宾语、表语和定语等，一般表示"…的事情"．故本题选B．给所有孩子们平等的机会来发展他们独特的才能很明显是争取的事情．本题考查名词性从句引导词，解答词类题目，关键要划分从句的成分，确定引导词所作的成分，若是从句缺主语宾语等，一般用连接代词what，which，who，whom和whose等．若从句不缺主语宾语时，一般用连接副词when，where，why和how，或者使用连词that，whether和if．5.答案：A 考查主语从句．分析句子可知____makes this shop different 是主语从句，从句中缺少主语，根据句意：使这个商店与众不同的是它提供更多的个人服务．所以答案选A．B，C 指人；C任何的东西，意义不符合句意．使这个商店与众不同的是它提供更多的个人服务．本句是一个主语从句，解题时要分析句子的结构判断是什么从句，然后根据不同从句的解题技巧选出不正确的答案．主语从句属于名词性从句中的一种，也是学生们需要掌握的一种基本的英语句型，引导名词性从句的连接词选择是考试的重点，学会分析从句的句子成分是解决名词性从句的解题关键．6.答案：B 分析句子结构可知，空处是引导主语从句，从句缺少宾语，用what引导．故选B．在杨利伟成功绕地球飞行后，我们的宇航员渴望的是在太空行走．名词性从句缺少主宾表或定语用what．7.答案是A．考查名词性从句，分析句子结构"________ she couldn't understand"是一个主语从句，从句中缺少understand的宾语，所以用what引导，what做从句的宾语；fewer and fewer students showed interest in her lessons是一个表语从句，根据句意：她不能理解的是为什么越来越少的学生对她的课表现出兴趣，所以用why来引导．故答案选A．她不能理解的是为什么越来越少的学生对她的课表现出兴趣．名词性从句一直是高考考查的热点，近几年的高考题主要考察在具体语境中对what和that的辨析，此外，也要求学生对定语从句和名词性从句有清晰的辨认．首先我们要判断它是哪个名词性从句．名词性从句是主句的一部分，可以充当主语、宾语、表语、同位语．就是说，如果我们能判断出某个从句是某个主句的主语、宾语、表语或同位语，那么就找到了解题的路子．名词性从句的解题可以从分析从句的句子结构开始，看从句是否缺少主语、宾语、表语、定语等句子成分．然后具体问题具体分析．8.答案：A分析句式可知，"____caused the accident"是主语从句，在从句里缺少主语，所以用what引导．how和where 在句子里做状语，不符合．that引导主语从句不做成分，故答案选A．什么造成这起事故依然是个谜．考生须掌握名词性从句的特征，注意分析句子结构并在具体语境中灵活使用．9.答案C 考查主语从句．分析句子可知___he said是主语从句，从句中缺少主语，所以用what来引导；mean to do是固定短语"有意做某事"．句意：他说的话无意伤害你．故答案选C．他说的话无意伤害你．本句是一个主语从句，解题时要分析句子的结构判断是什么从句，然后根据不同从句的解题技巧选出不正确的答案．主语从句属于名词性从句中的一种，也是学生们需要掌握的一种基本的英语句型，引导名词性从句的连接词选择是考试的重点，学会分析从句的句子成分是解决名词性从句的解题关键．10.答案A 考查主语从句．本句是一个主语从句，he said缺少宾语，所以用what来引导；that不能在名词性从句中做成分；所以答案选A．他在会上的发言令在场的所有人吃惊．本句是一个主语从句，解题时要分析句子的结构判断是什么从句，然后根据不同从句的解题技巧选出不正确的答案．主语从句属于名词性从句中的一种，也是学生们需要掌握的一种基本的英语句型，引导名词性从句的连接词选择是考试的重点，学会分析从句的句子成分是解决名词性从句的解题关键．11.C 考查名词性从句．分析句子可知这是一个主语从句you don't like him，从句中不缺少句子成分，所以用that来引导，what，who，引导主语从句，连接词在从句中都要做成分；whether引导意思是"是否"，所答案选C．你不喜欢他和我无关．名词性从句一直是高考考查的热点，近几年的高考题主要考察在具体语境中对what和that的辨析，此外，也要求学生对定语从句和名词性从句有清晰的辨认．首先我们要判断它是哪个名词性从句．名词性从句是主句的一部分，可以充当主语、宾语、表语、同位语．就是说，如果我们能判断出某个从句是某个主句的主语、宾语、表语或同位语，12.答案C 考查名词性从句，连接代词whoever可以引导名词性从句，并在从句中作主语，相当于any person who 或the person who，意为"一切…的人"．而anyone和the person均非连词，不能引导从句，who leaves the room last意为"某个最后离开房间的人"，与题意不符，如果要选anyone或the person，都必须在它们后面再加上引导定语从句的关系代词who．如果要选who就体现不出"无论谁"的含义了，故答案选C．无论谁最后一个离开房间都应该关掉灯．本句是一个名词性从句，解题时要分析句子的结构判断是什么从句，然后根据不同从句的解题技巧选出不正确的答案．同位语从句属于名词性从句中的一种，也是学生们需要掌握的一种基本的英语句型，引导名词性从句的连接词选择是考试的重点，学会分析从句的句子成分是解决名词性从句的解题关键．13.答案：D．考查it的用法．题干中it是形式主语，真正的主语是后面的主语从句，根据意思可知该从句不缺少任何成分，故选that，if是否，because表原因，when当从句中缺少时间状语时才可用．据证实，儿童时期吃蔬菜能够帮助保护你在人生的后期抵抗疾病．本题考查it的用法．在主语从句中，当主语从句很长时，为了避免头重脚轻，故将主语从句放到句子的后面，主语就有it代替作形式主语．14.答案：C 由句子结构可以看出该句子属于复合句：因为有两个谓语动词wants和has．所以应该存在一连词来连接句子．可以是who 和whoever，从句意来看，要表达无论是谁，最佳答案只能是whoever，也就是说即引导主语句子还要充当从句的主语．无论谁想住在旅馆都必须按自己的方式付钱．了解句意，分析句子结构，同时分析从句中的句子成分，结合句意，做出正确的选择．15.答案：B根据句式结构可知，________ is known to us all 是主语从句，在从句中缺少主语，所以用引导词what，意思是众所周知．如果选A，则改为It is known to us all that the 2016Olympic…如果选C，As is known to us all，the 2016Olympic…众所周知，2016奥运会将在里约举行．考生需对主语从句的用法以及特点掌握并在具体语境中使用．16.答案：A分析句式可知，_________ we can't get 是主语从句，从句中get缺少宾语，故用what；__________ we have从句中也缺少宾语，用what，故答案为A．我们得不到的似乎比我们有的更好．考查在答题时首先要分析句子的结构，弄清从句中缺少什么成分，再接合语法知识选择正确答案17.答案是B．本题考查主语从句中的引导词；题干中depends on前为主语从句，if通常不引导主语从句放在句首，排除A；根据句意，我们"是否"去野营取决于天气，whether（是否），可以引导名词性从句，故选B；that 在名词性从句中不担任成分，无意义，故排除C；从句中不缺地点状语，排除D．我们明天是否去野营取决于天气．名词性从句考查的关键是连接词的选用和语序，因此，我们首先要搞清从句的性质，掌握各连接词的用法，在此基础上判断．此外，关注名词性从句用陈述语序．18.答案为B．本题考查名词性从句中引导词的运用．what在名词性从句中可做主语、宾语、表语或定语，表示"所、什么"；that在名词性从句中不担任成分，无意义，除宾语从句外，that不可省略；题干中was前面的主语从句中缺少主语，故第一空选what；was后面的表语从句从意思到成分都是完整的，故第二空用that，答案是B．使这所学校感到骄傲的是超过90%的学生都被重点大学录取了．名词性从句考查的关键是连接词的选用和语序，因此，我们首先要搞清从句的性质，掌握各连接词的用法，在此基础上判断．此外，关注名词性从句用陈述语序．19.答案：B，whoever"无论谁"强调任意性，相当于anyone who，who含有疑问的意思，例如：who will come is not known．谁要来还不知道．考查主语从句，句意：无论谁帮助救了这个溺水的女孩都值得表扬．who和whoever引导主语从句：who说的是"谁"，whoever说的是"无论谁"相当于anyone who．20.答案：C．根据句意可知让人们困惑的事情是古埃及人是怎么建筑金字塔的，用how引导主语从句，whether 是否，不符合句意；what什么，在主语从句中作主宾表，where哪里，意思不符．故选C．几个世纪以来，古埃及人是怎么建筑金字塔的让人们很困惑．本题考查主语从句，从句意和句子成分分析有助于答题．21. 答案：B．根据句意和结构可知这句话使用主语从句，从句成分和意思都是完整的，用that引导，that不作成分，不能省略，whether是否，意思不符，what应该在主语从句中作主宾表，if不能引导主语从句，故选B．任何人都竟然都想杀了她这是令人难以置信的．本题考查主语从句，首先从句意和句子成分分析这是主语从句，然后再分析主语从句内容判断是否缺成分，缺少什么成分，这样有助于答题．22.答案C．通过分析可知本题是一个主语从句，从句中谓语动词为need，后面缺少宾语，因此要用连接代词，排除B、D；which意为"哪一个"，意思与语境不符；what意思为"…东西，事情"．我们所需要的是一些保护环境的更好的法律．本题考查主语从句．主语从句题是高考常考的内容，注重考查考生对主语从句的理解和分析，要求考生平时注意分析句子成分，做题时还要结合所学语法知识进行判断，做出正确的选择．23.C 考查从句．分析句子可知all 是先行词they need 是定语从句，all在从句中做宾语，所以省略了that；all是主句的主语，根据句意：他们所需要的只是使他们健康强壮的东西．所以谓语动词用单数形式，故答案选C．如果第一个空用what引导主语从句正确，但是第二空要用单数形式，所以不能选A．D选项中all做先行词不能用which来引导．他们所需要的只是使他们健康强壮的东西．名词性从句一直是高考考查的热点，近几年的高考题主要考察在具体语境中对what和that的辨析，此外，也要求学生对定语从句和名词性从句有清晰的辨认．首先我们要判断它是哪个名词性从句．名词性从句是主句的一部分，可以充当主语、宾语、表语、同位语．就是说，如果我们能判断出某个从句是某个主句的主语、宾语、表语或同位语，24.答案：D考查名词性从句．句意：无论是谁，挽救这个溺水女孩，都值得赞扬．_____has helped to save the drowning girl 是一个主语从句 whoever相当于一个先行词加一个关系代词．whoever=anyone who．whoever 引导主语从句，A选项是疑问句，B C 选项缺少关系代词，故答案选D．无论是谁，挽救这个溺水女孩，都值得赞扬．本句是一个主语从句，解题时要分析句子的结构判断是什么从句，然后根据不同从句的解题技巧选出不正确的答案．主语从句属于名词性从句中的一种，也是学生们需要掌握的一种基本的英语句型，引导名词性从句的连接词选择是考试的重点，学会分析从句的句子成分是解决名词性从句的解题关键．25.答案是B．考查名词性从句，分析题干可知it 是形式主语，真正的主语是some people can't write Chinese characters properly，此句中不缺少主语或者宾语，所以关系词选that．一些人不能正确地写出汉字正成为中国语言和文化的一个威胁．名词性从句一直是高考考查的热点，近几年的高考题主要考察在具体语境中对what和that的辨析，此外，也要求学生对定语从句和名词性从句有清晰的辨认．首先我们要判断它是哪个名词性从句．名词性从句是主句的一部分，可以充当主语、宾语、表语、同位语．就是说，如果我们能判断出某个从句是某个主句的主语、宾语、表语或同位语26.答案：D．根据It is still unclear说明it 是形式主语，而真正主语 the man didn't speak the truth可知句子不完整，这个男人为什么不说出真相，缺原因状语，故选D．仍然不清楚这个男人为什么不说出真相．本题考查主语从句的连接词，在充分分析it 形式主语的基础上再结合语义便能选出正确答案，同时要注意与it is clear that句型不要混淆．27.答案：A．根据is that the government will develop a new educational system可知前面是主语从句，主语从句中缺主语，再结合句意，在会议上什么被决定了，故选A在会议上被决定的是，政府将开发新的教育系统．本题考查主语从句，在在充分分析句型基础上，同时了解句意的基础上便不难选出此题答案．28.答案是A．考查名词性从句，主语是一个句子some state leaders'cellphones might have been monitored by America's National Security Agency．分析此句不缺少主语和宾语用that来引导，it 是形式主语，所以答案选A．一些国家领导人的手机可能已经被美国的国家安全局监视令公众惊讶．名词性从句一直是高考考查的热点，近几年的高考题主要考察在具体语境中对what和that的辨析，此外，也要求学生对定语从句和名词性从句有清晰的辨认．首先我们要判断它是哪个名词性从句．名词性从句是主句的一部分，可以充当主语、宾语、表语、同位语．就是说，如果我们能判断出某个从句是某个主句的主语、宾语、表语或同位语29.答案是C．本题考查主语从句；动词is前为主语从句，从句表达"疑问"，而that引导名词性从句不表示疑问，排除B；A项宾语重复：what在从句中做宾语，而it也在从句中做宾语，故排除A；which 在名词性从句中表示选择，本题无选择的含义，排除D；what在从句中做understand的宾语，故选C；我不能理解的是他从哪里得来的这些钱．名词性从句考查的关键是连接词的选用和语序，因此，我们首先要搞清从句的性质，掌握各连接词的用法，在此基础上判断．此外，关注名词性从句用陈述语序．30.答案：D．根据was the boy's ability to deal with this kind of trouble可知前面是主语从句，主语从句中缺 impressed的主语，再结合句意，给我留下深刻印象的是这个男孩处理这类麻烦的能力，故选D给我留下深刻印象的是这个男孩处理这类麻烦的能力．本题考查主语从句，在在充分分析句型基础上，同时了解句意的基础上便不难选出此题答案．31.答案是A．考查名词性从句，本句的主语是句子children are curious about the world around them，句中不缺少主语或者宾语用that引导，it是形式主语，所以答案选A．孩子们对于周围的世界感到好奇是很自然的．名词性从句一直是高考考查的热点，近几年的高考题主要考察在具体语境中对what和that的辨析，此外，也要求学生对定语从句和名词性从句有清晰的辨认．首先我们要判断它是哪个名词性从句．名词性从句是主句的一部分，可以充当主语、宾语、表语、同位语．就是说，如果我们能判断出某个从句是某个主句的主语、宾语、表语或同位语32.答案：C．根It's better说明it 是形式主语，而真正主语 to understand _____ you don't understand 可知句子不完整，理解你不理解的东西，缺understand 的宾语成分，故选C．当你读一个故事的时候，你最好去理解好你不理解的东西本题考查宾语从句的连接词，在充分分析it 形式主语的基础上再结合语义便能选出正确答案，33.C 考查名词性从句．分析句子可知________ surprised us most 是主语从句，从句中缺少主语，所以用what来引导；he hadn't been outdoors for 20 years是表语从句，从句中不缺成分，所以用that引导，故答案选C．最使我们惊讶的是他已经20年没出门了．名词性从句一直是高考考查的热点，近几年的高考题主要考察在具体语境中对what和that的辨析，此外，也要求学生对定语从句和名词性从句有清晰的辨认．首先我们要判断它是哪个名词性从句．名词性从句是主句的一部分，可以充当主语、宾语、表语、同位语．就是说，如果我们能判断出某个从句是某个主句的主语、宾语、表语或同位语，34.答案：A本句中it是形式主语，真正的主语应该是后面的主语从句，从句中不缺少任何成分，也没有疑问，所以用连接词that，故本题选择A．难道你没有想起我们本可以更简单地解决这个问题？在考查名词性从句时，要分析从句的各个成分，然后根据是否缺少成分，确定适当的连接词．35.答案D．分析句子结构可知，整个句子的谓语动词是"was"，表语为"that we had met each other here before"，"______ surprised me most"为主语，从句中动词"surprised"前缺少主语，不指人，因此应用"What"引导主语从句，该句可以作为一个固定句型记忆"What surprised me most was that+从句"，故选D．最让我感到惊讶的是我们之前已经相互见过面的．本题考查名词性从句．解答此类题目首先要读懂句意和分析句子结构，判断是哪一种从句，然后分析从句中的成分，如果从句中不缺主宾表等成分，则应根据句意来锁定连接词．36.C 考查名词性从句．分析句子可知______ shocked the world 在句中做was的主语，是一个主语从句，在这个主语从句中shocked是谓语动词缺少主语，所以用what来引导，what在主语从句中做主语．在名词性从句中，which是指在某个范围中的"哪一个"；whatever"任何的…"that在句中不做成分；故答案选C．令世界震惊的是朝鲜再次进行了核试验．名词性从句一直是高考考查的热点，近几年的高考题主要考察在具体语境中对what和that的辨析，此外，也要求学生对定语从句和名词性从句有清晰的辨认．首先我们要判断它是哪个名词性从句．名词性从句是主句的一部分，可以充当主语、宾语、表语、同位语．就是说，如果我们能判断出某个从句是某个主句的主语、宾语、表语或同位语，37.答案：D．考查名词性从句中的主语从句用法．此处要分析句子结构，看出it为形式主语，代替they should get well prepared for their future，并且本句意思完整，不缺成分，所以用that来引导；故选D．很明显，对于学生来说他们应该为自己的未来做好充分的准备．本题考查名词性从句，要会分析句子的成分，并且掌握that的用法．38.答案是B．本题考查名词性从句中的引导词．depend on前面的主语从句中缺少引导词，if通常不引导主语从句，故排除A；that在名词性从句中不担任成分，无意义；题干中需要表示"是否"，故排除D；第二空是介词on后面的宾语从句；从句中缺少的是do的宾语；how为副词，不做宾语，排除C；what在名词性从句中可做主语、宾语、表语或定语，表示"所、什么"；故第二空用what；第三空后面是on后面的并列的宾语从句，表示"如何"做这件事，故答案是B．你最终能否成功主要取决于你做了什么以及如何做的．。
高中英语主语从句用法练习题40题含答案解析
高中英语主语从句用法练习题40题含答案解析1._____ he will come to the party is still uncertain.A.ThatB.WhetherC.WhatD.Who答案解析：B。
“Whether he will come to the party”是主语从句，在这个句子中“whether”表示“是否”，整个主语从句的意思是“他是否会来参加聚会”。
“that”引导主语从句时在从句中不充当任何成分，只起连接作用，且没有实际意义，此句中意思不符。
“what”在主语从句中要充当成分，此句不缺成分。
“who”在主语从句中表示“谁”，此句不是问谁会来参加聚会。
2._____ she won the first prize surprised all of us.A.ThatB.WhetherC.WhatD.When答案解析：A。
“That she won the first prize”是主语从句，“that”在从句中不充当任何成分，只起连接作用，此句中“她赢得一等奖这件事让我们所有人都很惊讶”，用“that”符合语法规则。
“whether”表示“是否”，不符合句意。
“what”在主语从句中要充当成分，此句不缺成分。
“when”表示“什么时候”，不符合句意。
3._____ is important is that we should study hard.A.ThatB.WhetherC.WhatD.Who答案解析：C。
“What is important”是主语从句，“what”在从句中充当主语，表示“重要的事情”。
“that”在主语从句中不充当成分，此句缺主语。
“whether”表示“是否”，不符合句意。
“who”表示“谁”，不符合句意。
4._____ he said at the meeting was very important.A.ThatB.WhetherC.WhatD.Who答案解析：C。
高中英语主语从句练习题50题
高中英语主语从句练习题50题1._____ is known to us all is that the earth is round.A.WhatB.AsC.ItD.That答案解析：A。
“What is known to us all”是主语从句，what在从句中作主语。
B 选项“As is known to us all”是固定用法，一般作状语，不是主语从句；C 选项“It is known to us all that...”中it 是形式主语，后面的that 从句才是真正主语，这里要求的是主语从句；D 选项“That is known to us all”中that 在主语从句中一般不充当成分，而这句话缺少主语，所以不合适。
2._____ he will come or not is still a question.A.IfB.WhetherC.ThatD.When答案解析：B。
“Whether he will come or not”是主语从句，whether 表示“是否”，引导主语从句时不能用if。
C 选项“That he will come or not”中that 引导主语从句时无实际意义，在这里不合适；D 选项“When he will come or not”语义不通。
3._____ surprised me most was his attitude towards the problem.A.WhatB.ThatC.WhichD.Who答案解析：A。
“What surprised me most”是主语从句，what 在从句中作主语。
B 选项“That surprised me most”中that 在主语从句中一般不充当成分，这里缺少主语不合适；C 选项“Which surprised me most”中which 表示“哪一个”，在这句话中语义不通；D 选项“Who surprised me most”中who 表示“谁”，在这里不合适。
高中英语主语从句专项练习含答案
高中英语主语从句专项练习含答案一、单选题1. —______ is the movie?—Almost three hours.A. How oftenB. How muchC. How soonD. How long答案：D2. The news that the school building had been on fire made us _______.A. shockedB. to shockC. shockingD. shock答案：A3. It is required that the teacher _______ to school on time.答案：B4. _____ makes water boil?A. What is it thatB. What it is thatC. Is it what thatD. Is it that what答案：A5. I don’t think it advisable that the plan_______ without further discussion.A. will be carried outB. has been carried outC. be carried outD. is carried out答案：C二、完形填空I was walking along a path in the park one day. Suddenly I saw a bag on the grass __1__ me. I __2__ the bag and looked around. There was nobody near me. I opened the bag and saw __3__ inside. It was an expensive camera(相机). There was also a piece of paper __4__ the camera.The paper said, "I __5__ this camera in your __6__. I do not need it any more and I want you to have it. I have left my name and address in the envelope(信封)," I looked inside the bag and found the __7__. The name and address was there.I __8__ the envelope and put the camera back in the bag. Then I__9__ the bag and continued my walk. I kept __10__ the camera. I felt happy and knew that __11__ day would bring good luck to me.4. A. with B. over C. in D. under答案：A10. A. looking at B. looking afterC. looking forD. looking up答案：C三、阅读理解There is a man who never uses his feet. He didn't walk anywhere and people had to carry him everywhere. One day he heard about a doctor who could help him to use his feet. He went to the doctor and told him his problem. The doctor told the man that he would give him some medicine and a piece of paper. He told him to put the piece of paper in his shoes. One week later the man came back and thanked the doctor. He said, “It works。
高中英语主语从句练习题20题答案解析版
高中英语主语从句练习题20题答案解析版1._____ he will come or not is still uncertain.A.ThatB.WhetherC.WhoD.What答案解析：B。
“Whether...or not”是固定搭配，在主语从句中表示“是否”。
A 选项that 在主语从句中无实际意义，只起连接作用，不符合题意；C 选项who 表示“谁”，题干不是在问“谁会来”；D 选项what 表示“什么”，与题干意思不符。
2._____ wins the game will get a prize.A.WhoeverB.WhoC.WhomeverD.Whom答案解析：B。
本句意思是谁赢得比赛将会得到奖品。
A 选项whoever 表示“无论谁”，语气比who 更强；C 选项whomever 是宾格形式，在句中不能作主语；D 选项whom 也是宾格形式。
所以选B。
3._____ she said made me angry.A.ThatB.WhatC.WhichD.When答案解析：B。
本句意思是她所说的话让我生气。
A 选项that 在主语从句中无实际意义，只起连接作用，不符合题意；C 选项which 表示“哪一个”，不符合语境；D 选项when 表示“什么时候”，与题干意思不符。
所以选B。
4._____ is important is that we should study hard.A.ThatB.WhatC.WhichD.When答案解析：B。
本句意思是重要的是我们应该努力学习。
A 选项that 在主语从句中无实际意义，只起连接作用，不符合题意；C 选项which 表示“哪一个”，不符合语境；D 选项when 表示“什么时候”，与题干意思不符。
所以选B。
5.It is not clear _____ he will come.A.thatB.whetherC.whoD.what答案解析：B。
高中英语语法专项练习之主语从句
高中英语语法专项练习之主语从句1、The limits of a person’s intelligence, generally speaking, are fixed at birth, but ________he reaches these limits will depend on his environment.A. whereB. whetherC. thatD. why2、Since there are many excellent athletes competing against each other in the game, it is uncertain __________ he will succeed in winning the medal.A. thatB. whatC. whetherD. where3、 _______ are playing an important part is well known to us all.A. That whoB. Those whoC. Who thatD. Who4、 They lost their way in the forest, and _______ made matters worse was that night began to fall.A. itB. whichC. thatD. what5、 As far as I'm concerned, is most important, when it comes to friendship, is honesty.A. whatB. whichC. thatD. it6、It is often the case _________ anything is possible for those who hang on to hope.A.whyB.whatC.asD.that7、 The research found that people ______ keep fit are more likely to have larger brains, better memories and clearer thinking.A. whichB. whoC. whoseD. whom8、 After _____ seemed ages, the newsman disclosed the facts.A. whatB. itC. whichD. that9、It can’t be a coincidence_________ four jewelry s ores were robbed in one night.A. whyB. whatC. whichD. that10、_____ is known to all is that effective measures should be taken to deal with the problem of the over-exploiting of our resources.A. WhatB. ItC. AsD. Which11、It was absurd that ________ those who had done better than him in this way.A．did he envy B．he envied C．he was envied D．was he envied12、 _____ surprised me most was to see so many women crying sadly there.A. ThatB. ItC. WhichD. What13、 Everyone knows that _______ is dangerous to play with fire,but ________ is difficultis to prevent children from playing with fire.A. it;itB. what;whatC. it;whatD. what;it14、_______ is known to us is that time is limited and precious.A．What B．That C．It D．As15、 ____ gets well prepared will pass the exam easily.A. WhoB. WhoeverC. Those whoD. Anyone16、 Sometimes, _______ we show our gratitude for a person is reflected in the kind of food we serve him or her.A. whenB. whetherC. whyD. how17、 ____ gets well prepared will pass the exam easily.A. WhoB. AnyoneC. WhoeverD. Those who18、It is easy to set the goal of our production for next year, but to achieve it takes a lot of trouble.A．how B．who C．where D．when19、Sometimes, _____ we show our gratitude for a person is reflected in the kind of' food we serve him or her．A．when B．whether C．why D．how20、 ______ female college graduates get a job appears to be rather difficult nowadays in China.A. ThatB. WhyC. WhatD. Whether21、you don’t like him is none of my business.A. WhatB. WhoC. ThatD. Whether22、 _________ water to grow is well-known.A. That trees needB. These trees needC. That tree needsD. Trees need23、________ is known to all is that effective measures should be taken to deal with the problem of the over-exploiting of our resources.A. ItB. WhatC. AsD. Which24、_____ is known to us all is that 2019 Olympic Games will take place in Britain．A．It B．As C．Which D．What25、 Is it true _____ the rain stops, it will be as hot as in the summer here?A. whenB. that whenC. wheneverD. that26、 It is not yet well understood _______ has made the rainforest disappear year by year.A. whatB. whichC. thatD. how27、—Is there any particular soup you would like to have?—you select is all right with me.A. WhateverB. AnyoneC. No matter whatD. Whichever28、 ______ is known to us is that the old doctor, for ______ life was hard in the past, still works very hard in his late life.A. As; whomB. What; whomC. It; whoseD. As; whose29、 I read about it in some book or other. Does it matter ____________ it was?A. whereB. whatC. howD. which30、They lost their way in the forest and ____ made matters worse was that night began to fall.A. itB. thatC. whatD. which31、 ______ we need is more timeA WhatB WhenC WhichD That32、 ________ knows the truth will tell you about it, I thinkA WhoB ThatC No matter whoD Whoever33、The prize will go to the writer ________ story shows the most imagination.A. thatB. whichC. whoseD. what34、 ________ is know to us all is that the old worker, for _______ life was hard in the past, still works hard in his seventies.A. As; whomB. What; whoseC. It; whoseD. What; whom35、____ gets well prepared will pass the exam easily.A. WhoB. AnyoneC. WhoeverD. Those who36、______ is known to us all is that the 2019 Olympic Games will take place in London.A .It B. What C. As D. Which37、It was with great joy ______he received the news _______his lost daughter had been found．A．because, that B．which, which C．that, that D．since, that38、It’s not surprising, with the huge popularity of the movie Pairates of the Caribbean, ________ two more have been produced.A. whichB. whatC. soD. that39、It is obvious to the students ____________ they should get well prepared for their future.A .as B. which C. whether D. that40、As is known to all, Yang Liwei has become a space hero is we have expected．A．that; which B．what; that C．what; which D．that; what参考答案1、B2、 C3、D4、D5、A6、D7、D8、A9、D10、A11、B12、D13、C14、 A15、B16、D17、 C18、A19、D20、A21、C。
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高中英语语法专项练习之主语从句1、The limits of a person’s intelligence, generally speaking, are fixed at birth, but ________he reaches these limits will depend on his environment.A. whereB. whetherC. thatD. why2、Since there are many excellent athletes competing against each other in the game, it is uncertain __________ he will succeed in winning the medal.A. thatB. whatC. whetherD. where3、 _______ are playing an important part is well known to us all.A. That whoB. Those whoC. Who thatD. Who4、 They lost their way in the forest, and _______ made matters worse was that night began to fall.A. itB. whichC. thatD. what5、 As far as I'm concerned, is most important, when it comes to friendship, is honesty.A. whatB. whichC. thatD. it6、It is often the case _________ anything is possible for those who hang on to hope.A.whyB.whatC.asD.that7、 The research found that people ______ keep fit are more likely to have larger brains, better memories and clearer thinking.A. whichB. whoC. whoseD. whom8、 After _____ seemed ages, the newsman disclosed the facts.A. whatB. itC. whichD. that9、It can’t be a coincidence_________ four jewelry sores were robbed in one night.A. whyB. whatC. whichD. that10、_____ is known to all is that effective measures should be taken to deal with the problem of the over-exploiting of our resources.A. WhatB. ItC. AsD. Which11、It was absurd that ________ those who had done better than him in this way.A．did he envy B．he envied C．he was envied D．was he envied12、 _____ surprised me most was to see so many women crying sadly there.A. ThatB. ItC. WhichD. What13、 Everyone knows that _______ is dangerous to play with fire,but ________ is difficultis to prevent children from playing with fire.A. it;itB. what;whatC. it;whatD. what;it14、_______ is known to us is that time is limited and precious.A．What B．That C．It D．As15、 ____ gets well prepared will pass the exam easily.A. WhoB. WhoeverC. Those whoD. Anyone16、 Sometimes, _______ we show our gratitude for a person is reflected in the kind of food we serve him or her.A. whenB. whetherC. whyD. how17、 ____ gets well prepared will pass the exam easily.A. WhoB. AnyoneC. WhoeverD. Those who18、It is easy to set the goal of our production for next year, but to achieve it takes a lot of trouble.A．how B．who C．where D．when19、Sometimes, _____ we show our gratitude for a person is reflected in the kind of' food we serve him or her．A．when B．whether C．why D．how20、 ______ female college graduates get a job appears to be rather difficult nowadays in China.A. ThatB. WhyC. WhatD. Whether21、you don’t like him is none of my business.A. WhatB. WhoC. ThatD. Whether22、 _________ water to grow is well-known.A. That trees needB. These trees needC. That tree needsD. Trees need23、________ is known to all is that effective measures should be taken to deal with the problem of the over-exploiting of our resources.A. ItB. WhatC. AsD. Which24、_____ is known to us all is that 2012 Olympic Games will take place in Britain．A．It B．As C．Which D．What25、 Is it true _____ the rain stops, it will be as hot as in the summer here?A. whenB. that whenC. wheneverD. that26、 It is not yet well understood _______ has made the rainforest disappear year by year.A. whatB. whichC. thatD. how27、—Is there any particular soup you would like to have?—you select is all right with me.A. WhateverB. AnyoneC. No matter whatD. Whichever28、 ______ is known to us is that the old doctor, for ______ life was hard in the past, still works very hard in his late life.A. As; whomB. What; whomC. It; whoseD. As; whose29、 I read about it in some book or other. Does it matter ____________ it was?A. whereB. whatC. howD. which30、They lost their way in the forest and ____ made matters worse was that night began to fall.A. itB. thatC. whatD. which31、 ______ we need is more timeA WhatB WhenC WhichD That32、 ________ knows the truth will tell you about it, I thinkA WhoB ThatC No matter whoD Whoever33、The prize will go to the writer ________ story shows the most imagination.A. thatB. whichC. whoseD. what34、 ________ is know to us all is that the old worker, for _______ life was hard in the past, still works hard in his seventies.A. As; whomB. What; whoseC. It; whoseD. What; whom35、____ gets well prepared will pass the exam easily.A. WhoB. AnyoneC. WhoeverD. Those who36、______ is known to us all is that the 2012 Olympic Games will take place in London.A .It B. What C. As D. Which37、It was with great joy ______he received the news _______his lost daughter had been found．A．because, that B．which, which C．that, that D．since, that38、It’s not surprising, with the huge popularity of the movie Pairates of the Caribbean, ________ two more have been produced.A. whichB. whatC. soD. that39、It is obvious to the students ____________ they should get well prepared for their future.A .as B. which C. whether D. that40、As is known to all, Yang Liwei has become a space hero is we have expected．A．that; which B．what; that C．what; which D．that; what参考答案1、B2、 C3、D4、D5、A6、D7、D8、A9、D10、A11、B12、D13、C14、 A15、B16、D17、 C18、A19、D20、A21、C。