高中英语主语从句练习题(含答案)
高一英语主语从句试题答案及解析
高一英语主语从句试题答案及解析1. is known to us all is that the 2012 Olympic Games will take place in London.A．It B．What C．As D．Which【答案】B【解析】通过分析句子结构，可知这个句子中包含一个主语从句和一个表语从句。
引导词在主语从句中作主语，且表示什么的含义，故用What。
【考点】主语从句的考查点评：在句子中起主语作用的从句叫做主语从句。
解答这类题，首先要确定从句是什么从句，然后依据相应的语法规则答题。
主语从句中引导词的确定，要看它在主语从句中作什么成分，有没有什么实际意义。
2.we’ll have our sports meet this week the weather.A．If; depend on B．Whether; depend onC．If; depends on D．Whether; depends on【答案】D【解析】考察主语从句。
本句指的whether引导是主语从句whether we’ll have our sports meet this week，if不能引导主语从句。
当单个的主语从句做主语的时候，谓语动词使用单数形式。
句意：这个星期我们是否要举行运动会取决于天气。
故D正确。
【考点】考察主语从句点评：主语从句是在复合句中充当主语的从句，通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。
解答这类题目，关键在于分析清楚句子结构。
通过判断引导词在从句中所作的成分及意义，来选择正确的引导词。
连接主语从句的从属连词主要有that, if, whether，和疑问词（what how where when ...)。
that引导表示陈述句的主语从句，if和whether，whether...or not引导表示“是否”，引导一般疑问句。
连接代词主要有who,whom,whose,what,whoever,whomever,whosever,whatever,whichever等。
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。
(word完整版)高中主语从句练习及答案
主语从句练习单项选择题1. ____ a s much as one-fifth of all timber harvested is not used.A. The estimateB. The estimateC. They are estimatedD. It is estimated that2. ____ w as once regarded as impossible has now become a reality.A. ThatB. WhichC. WhoD. What3. ____ w e have achieved is attributed to the guida nee of our pare nts.A. WhoeverB. WhateverC. HoweverD. That4. ____ you say now can ' t make up for what you ' ve^one.A. No matterB. WhateverC. HoweverD. That5. Although ____ happe ned in this developed country sounds like scie neefiction, itcould occur elsewhere in the world.A. whichB. whatC. howD. it6. ____ s he had forgotte n to take her no tebook.A. That occurred to herB. She occurred thatC. To her that occurredD. It occurred to her that7. I am sure that ____ she said is wrong.A. whichB. allC. thisD. what8. We lost our way in the forest, and ____ made matters worse was that itwasgett ing dark.A. thatB. whichC. itD. what9. ____ o ccurred to him that he had forgotte n to lock the door whe n he lefthome.A. ThisB. ItC. ThatD. These10. or not is still un certa in.A. He 's omingB. If he is comingC. That comingD. Whether he ' c oming11. It ' _ he ' be able to come.12. It is ____ that the bridge has existed for more tha n three cen turies .A. appearedB. rise nC. saidD. born13. ____he saw both surprised and frighte ned him.A. ThatB. WhenC. WhatD. Which14. ____is a spell of warm sunshine.A. What do we all need.B. What all we n eedC. What we n eedD. What we all n eed15. ____is a pity that he should feel so upset.A. WhatB. ThatC. HeD. It16. ____a spo onful of soil can tell us so much about the structure andearly history of the moon.A. RemarkableB. Quite remarkablyC. It is remarkable thatD. It is remarkable17. _____you nomin ate will be elected.A. doubt whetherB. doubtfulC. doubt itD. doubtful whetherA. WhoB. WhichC. WhomeverD. That ' s18. ____ b ook you borrow must be retur ned with in a week.A. WhatB. WhichC. WhicheverD. That ' s19. ____ is troubling me is that I don ' t have much experienee in intern ati onal commerce.A. ItB. ThatC. WhichD. What20. ____ t hey wil go there to try ano ther experime nt has not bee n decidedyet.A. WhetherB. IfC. About whetherD. Why根据提示，完成句子。
高中英语高考复习主语从句翻译练习(附参考答案和知识讲解)
高考英语主语从句翻译练习班级_考号姓名总分1.据估计，上海每年春节要接待几百万游客。
(It)2.还不知道是什么原因造成这次森林火灾。
(cause)3.你要一个人完成那项任务似乎很困难。
(seem)4.无论他为他的父母做什么，都会让他们很开心。
(top)5.据报道，很多大学生想毕业后自己创业。
(report)6.我突然想到我忘记通知他们考试的时间了。
(occur》7.这个课程的创新之处在于它很大程度上尊重了小学生的学习(What)8.据说每天喝适量的葡萄酒可以使人保持年轻。
(stay)9.他从没想到两家公司都会给他工作机会，但是他不知道该如何选择，因为它们都是行业内的翘楚。
(occur)10.随着社会竞争日益加剧,青年人掌握至少两门语言是十分必要的。
(It)11.将来过怎样的生活取决于你自己。
(be up to)12.这个游戏的独特之处在于它让孩子学会如何应对现实生活中的问题。
(What)13.建议该实验在低温下操作。
(suggest)14.任何能够采用新方法解决这道技术难题的人,都将受到奖赏。
(Whoever)15.让这所学校自豪的是超过90%的学生都被重点大学录取。
(What)16.人们普遍认为在公共场合大声说话是不文明行为,应该避免。
(It)17.我从未想到那些偏远山区的孩子们生活条件如此艰苦。
(occur)18.随着科技的发展，电脑是否会取代传统的教学方式成为了当下最热的话题之一。
(substitute)19.因为蓝色是天空和海洋的颜色,所以蓝色自然常和冷静,可靠和喜爱平静生活联系在一起。
(natural)20.但凡家境殷实的单身汉，必然想娶妻成家，这是举世公认的道理。
(It)附：参考答案1.It is estimated that Shanghai receives millions of visitors every Spring Festival.2.What caused the forest fire is still unknown.3.It seems very difficult that you are to complete the task alone.4.Whatever he does for his parents makes them feel on top of the world.5.It is reported that many college students want to start their own business after graduation.6.It suddenly occurred to me that I had forgotten to inform them of the time for the exam.7.What is original in this course is that it respects pupils， study habits to a great extent.8.It is said that drinking a proper amount of wine every day can help one to stay young.9.It never occurred to him that the two companies would both give him a job offer, but he didn，t know which to choose, because both of them belong to the top of the industry.10.It is necessary for the young to master at least two languages with the social competition getting increasingly fiercer11.It's up to you what kind of life you will lead in the future12.What makes this game peculiar lies in that it teaches kids how to handle the problems in real life.13.It is suggested that the experiment should be made under a low temperature.14.Whoever can adopt a new approach to solving the technical problem will/shall be awarded.15.What made the school proud was more than 90% of the students had been admitted to key universities.16.It is generally believed/ considered/ thought that talking loudly in public is uncivilized and should be avoided17.It never occurred to me that the living conditions of the children should be so hard in the remote mountainous areas18.With the advancement of technology, whether computers will substitute for traditional teaching means has become one of the hottest topics nowadays.19.Since blue is the colour of the sky and the sea, it is only natural that it should often be associated with calmness, reliability and preference for a peaceful life.20.It is a truth universally acknowledged that a single man in possession of a good fortune must be in want of a wife.附：知识讲解主语从句就是从句作句子主语,一般放在句首，即主句谓语动词之前。
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”。
高三英语主语从句试题答案及解析
高三英语主语从句试题答案及解析1. Now _______ you have to do is to admit your mistakes and immediately correct them.A．that B．whether C．what D．how【答案】C【解析】考查名词性从句。
句意：现在你不得不做的就是承认你的错误，并立即更正。
What引导主语从句，并在从句中作do的宾语。
What可引导主语从句、宾语从句、表语从句、同位语从句，并在从句中做主语或宾语，但不引导定语从句。
故选C。
【考点】考查名词性从句2. ________makes the book so extraordinary is the creative imagination of the writer. (2013·北京，31)A．That B．WhatC．Who D．Which【解析】 B解析考查名词性从句。
句意为：这本书的非凡之处在于作者富有创造性的想像力。
________ makes the book so extraordinary为主语从句，从句缺少主语，要用what引导，故选B项。
3.________ struck me most in the movie was the father’s deep love for his son.(2013·重庆，28) A．That B．It C．What D．Which【解析】C解析考查名词性从句连接词辨析。
句意为：电影中给我留下深刻印象的是父亲对儿子深深的爱。
“________ struck me most in the movie”在句中作主语，且该主语从句中谓语动词struck缺少主语，故选择what (＝the thing that)。
that引导主语从句不担任成分；it不是连词；which“(无论)哪一个”，表示在一个限定范围内进行选择，均不符合题意。
(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。
高三英语主语从句试题答案及解析
高三英语主语从句试题答案及解析1. A heated debate was set off by his proposal at the meeting yesterday over _______it is practical in our area.A．what B．whenC．whether D．that【答案】C【解析】考查名词性从句。
本题考查同位语从句，从句为一般疑问句，故用关系词whether。
句意：在昨天会议上，他提出的建议在我们的地区是否实用引发一场热烈的辩论。
故C正确。
【考点】考查名词性从句2. (2014·长沙名校模考)________he referred to in his article was often discussed by many people in the past.A．That B．WhatC．Whether D．Where【答案】B【解析】考查名词性从句。
此句中referred to后缺少宾语，因此应用what引导该主语从句。
答案：B3. It remains unknown ________ the peace talk between the two countries is going to lead. A．where B．whenC．how D．why【答案】A【解析】A 考察名词性从句。
本句中的it是形式主语，真正的主语是空格以及后面的句子。
从句主语谓语完整，由从句中的lead导致，通向，为不及物动词，后面缺少地点状语，使用where 引导名词性从句。
故A正确。
4. ________ we go there by train or by ship makes no difference. The time and the fees are the same.A．Which B．HowC．Whether D．Why【答案】C【解析】C 考察连词，whether..or…不管…还是…；在本句中做主语从句的引导词。
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。
主语从句练习50题
主语从句练习50题1. ______ makes me happy is reading books.A. WhatB. ThatC. WhetherD. How答案：A。
本题考查主语从句的引导词。
“What”在从句中充当主语，表示“什么”；“That”在主语从句中不充当成分，且没有实际意义，放在此处句子意思不完整；“Whether”表示“是否”，不符合句子意思；“How”表示“如何”，也不符合句子意思。
所以选择A 选项。
2. ______ he will come or not is still unknown.A. WhatB. ThatC. WhetherD. How答案：C。
“Whether...or not”是固定搭配，表示“是否”；“What”“That”“How”都不能与“or not”这样搭配，所以选择C 选项。
3. It is not clear ______ he did it.A. whatB. thatC. whetherD. how答案：C。
句子意思是“不清楚他是否做了这件事”，“Whether”表示“是否”，符合句子语境；“What”在从句中充当成分，此处不缺成分；“That”在主语从句中不充当成分，且没有实际意义，放在此处句子不通顺；“How”表示“如何”，不符合句子意思。
因此选择C 选项。
4. ______ is important for us to learn English well.A. WhatB. ThatC. WhetherD. How答案：B。
“That”引导的主语从句，“That”在从句中不充当成分，且没有实际意义，此处只是单纯陈述“学好英语对我们很重要”这个事实；“What”“Whether”“How”在句子中意思不符合，所以选择B 选项。
5. ______ we need is more time.A. WhatB. ThatC. WhetherD. How答案：A。
主语从句练习题及答案
主语从句练习题及答案一、主语从句练习题1. ______ is not known is whether the meeting will be held tomorrow.A. IfB. WhatC. ThatD. Which2. ______ she said surprised me a lot.A. WhatB. WhetherC. ThatD. Which3. ______ is certain is that he will stay in Paris for a year.A. WhatB. WhetherC. ThatD. Which4. ______ studying abroad is expensive, many students still choose to do so.A. WhatB. IfC. ThatD. Which5. ______ made her angry was his rude behavior.A. WhatB. WhetherC. ThatD. Which二、主语从句练习题答案1. B. What2. A. What3. C. That4. A. What5. C. That三、文章练习题主语从句是句子中的一个句子成分，用来作为句子的主语，它常常以连接代词或连接副词的形式出现。
在句子中，主语从句常常起到引导词，引导句子的作用。
以下是几个关于主语从句的练习题。
练习题1：______ is not known is whether the meeting will be held tomorrow.练习题2：______ she said surprised me a lot.练习题3：______ is certain is that he will stay in Paris for a year.练习题4：______ studying abroad is expensive, many students still choose to do so.练习题5：______ made her angry was his rude behavior.答案：1. B. What2. A. What3. C. That4. A. What5. C. That通过以上练习题，我们可以锻炼和巩固对主语从句的理解和应用能力。
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。
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。
高中主语从句练习题及讲解答案
高中主语从句练习题及讲解答案# 高中主语从句练习题及讲解答案## 练习题1. 题目一：尽管他很年轻，但他已经是一位成功的企业家了。
- 例句：_________ he is very young, he has already becomea successful entrepreneur.2. 题目二：无论你什么时候来，我都会在这里等你。
- 例句：_________ you come, I will be here waiting for you.3. 题目三：他相信他能通过这次考试，这让他的父母感到非常高兴。
- 例句：He believes that he can pass the exam, which makes his parents very happy.4. 题目四：我们不知道他是否已经完成了作业。
- 例句：We don't know _________ he has finished his homework or not.5. 题目五：她害怕黑暗，这是众所周知的。
- 例句：She is afraid of the dark, which is _________.## 讲解主语从句是作为动词或介词的宾语的从句，它通常位于句首。
主语从句可以由连接词that, if, whether等引导。
- that引导的主语从句：用来陈述一个事实，通常可以省略。
- if/whether引导的主语从句：用来表达“是否”，通常不能省略。
## 答案1. 答案一： Although/Though _________ he is very young, hehas already become a successful entrepreneur.- 讲解：这里使用了“Although”或“Though”来引导让步状语从句，表示尽管他年轻，但他已经成功。
2. 答案二： Whenever _________ you come, I will be herewaiting for you.- 讲解：“Whenever”引导主语从句，表示无论何时你来。
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。
高中英语主语从句单选题50题答案解析版
高中英语主语从句单选题50题答案解析版1._____ he will come or not is still a question.A.ThatB.WhetherC.WhatD.If答案：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，不与“or not”搭配；C 选项“what”在主语从句中充当成分，表示“什么”，不符合题意；D 选项“if”不能引导主语从句。
2._____ she is coming to the party makes us very happy.A.ThatB.WhetherC.WhatD.If答案：A。
“that”在主语从句中无实际意义，只起连接作用，此句中“她要来参加聚会这件事让我们很开心”，用“that”引导主语从句。
B 选项“whether”表示“是否”，不符合题意；C 选项“what”在主语从句中充当成分，表示“什么”，不符合题意；D 选项“if”不能引导主语从句。
3._____ we need is more time.A.ThatB.WhetherC.WhatD.If答案：C。
“what we need”中“what”在主语从句中充当“need”的宾语，表示“我们需要的东西”。
A 选项“that”无实际意义，不符合题意；B 选项“whether”表示“是否”，不符合题意；D 选项“if”不能引导主语从句。
4._____ he can solve the problem is important.A.ThatB.WhetherC.WhatD.If答案：B。
此句表示“他是否能解决这个问题很重要”，“whether”在主语从句中表示“是否”。
A 选项“that”无实际意义，不符合题意；C 选项“what”在主语从句中充当成分，表示“什么”，不符合题意；D 选项“if”不能引导主语从句。
5._____ she told me is a secret.A.ThatB.WhetherC.WhatD.If答案：C。
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。
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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 discussed 7．(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．用适当的引导词填空。
1. It is likely _____ he is the winner of this game.
很可能他是这场游戏的胜利者。
2. ______ she bought so many dictionaries is not clear.
= It is not clear _____ she bought so many dictionaries.
不清楚她为什么买这么多字典。
3. ________ he was admitted into Beijing University made his teachers and parents happy.
他考上了北大，这让他的老师和父母很高兴。
4. It’s a pity________ you can’t attend my birthday party.
很可惜你不能参加我的生日聚会。
5. _________ we will build a new high school hasn’t been decided.
我们是否要建新高中还没决定呢。
6. __________ breaks the law should be punished.
不管谁违法都应该受到惩罚。
7. It is necessary ______ the problem (should) be solved at once.
很有必要立刻解决这个问题。
8. ________ he was born is unknown.
他生于何时还不知道。
9 It is possible _______ he has stolen the car.
很可能他偷了小车。
10. _______ has broken the glass is unknown.
谁打破了玻璃现在还不知道。
11. _______ he wants is all here.
他所要的东西都在这里。
12. _______ he worked it out is still a secret.
他是如何把它做出来的还是一个秘密
13. _______ they makes in this factory are TV sets.
他们在工厂里所做的东西就是电视机。
14. ________ they would support us was a problem.
他们是否会支持我们还是一个问题。
15. ________ you want is yours.
你要哪个哪个就是你的。
16. ________ we need is money.
我们需要的是钱。
17.________ we arrive doesn’t matter.
什么时候到没有关系。
18. ________ it was done was a mystery.
这是怎样做的是一个谜。
19 ________ this happended is not clear to anyone.
这件事怎样发生的，谁也不清楚。
20. ________ I spend my summer is no business of yours.
我在哪里过暑假不关你的事。
三、选择
1. has helped to save the drowning girl is worth praising.
A.Who
B.The one
C.Anyone
D.Whoever
2.It was he said disappointed me.
A.what ;that
B.that; that
C.what;what
D.that;what
3. we’ll go camping tomorrow depends on the weather
A.If
B.Whether
C.That
D.Where
4. he said at the meeting surprised everybody present.
A.What
B. That
C.The fact
D.The matter
5. was to return to school.
A.That really interested him
B.What really interested him
C.Which really interested him
D.That interest him really
6、he made an important speech at the meeting was true.
A. That
B. Why
C. What
D. How
7、we’ll go campin g tomorrow depends on the weather .
A If
B Whether
C That
D Where
8. is known to us all that America is a developed country .
A Which
B as
C What
D It
9、What I say none of your business.
A. is
B. are
C. has D have
10. It’s known to us all a form of energy .
A. water is
B. that water is
C. is water
D. that water to
答案：一、翻译
1. Who will pick him up
2. Which class will win the football match
3. Whether he can buy the plane ticket
4.How we will go there
5. What you told me just now
6. When he will go abroad
7. Why he cries
8. that he is a beggar
9. Who you will invite
10.Where we will hold the basketball match
二、1.that 2. Why ;why 3. That 4. that 5. Whether 6. Whoever 7. that 8. When 9. that 10. Who
11.What 12. How 13. What 14. Whether 15. Whichever 16. What 17. When 18. How 19. How 20.
Where
三．单选
1~5:DABAB 6~10:ABDAB。