主语从句专项练习题

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(完整版)主语从句专项练习(含答案)(可编辑修改word版)

主语从句专项练习(含答案)1.makes mistakes must correct them.A. WhatB. ThatC. WhoeverD. Whatever2.It worried her a bit her hair was turning grey.A.whileB. thatC. ifD. for3.W hen and why he came here yet.A. is not knownB. are not knownC. has not knownD. have not known4.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 late5.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 expected6.we go swimming every day us a lot of good.A. If...doB. That...doC. If...doesD. That...does7.I t Bob drives badly.A. thinks thatB. is thought whatC. thought thatD. is thought that8.It's uncertain the experiment is worth doing.A. ifB. thatC. whetherD. how9.the boy didn't take medicine made his mother angry.A. ThatB. WhatC. HowD. Which10.we can't get seems better than we have.A. What, whatB. What, thatC. That, thatD. That, what11. you don't like him is none of my business.A. WhatB. WhoC. ThatD. Whether12.. we'll go camping tomorrow depends on the weather.A. IfB. WhetherC. ThatD. Where13.is going to do the job will be decided by the Party committee.A.ThatB. WhyC. HowD. Who14.we'll finish translating the book depends on the time.A.WhenB. WhyC. WhatD. That15.he won't go there is clear to all of us.A.HowB. WhatC. WhyD. This16.the house will be built will be discussed at tomorrow's meeting.A.IfB. WhereC. ThatD. What17.. you come or not is up to you.A.WhatB. IfC. WhyD. Whether18..Is true that the famous scientist will give us a lecture next week.A. thatB. itC. isD. he19.. team will win the match is a matter of public concern.A. WhichB. ThatC. IfD. How20.. leaves the room last ought to turn off the lights.A. AnyoneB. The personC. WhoeverD. Who21.he really means is he disagrees with us.A. What, whatB. What, thatC. That, thatD. That, what22.It has not been decided they will leave for Beijing.A.whenB. thatC. whatD. why23.he will go to work in a mountain village surprises all of us.A.WhatB. ThatC. WhetherD. If24.you don’t like him is none of my business.A.WhatB. ThatC. WhoD. How25.all the inventions have in common is they have succeeded.A.What; whatB. That; thatC. what; thatD. That ; what26.appeared to me that he enjoyed the food very much.A.WhatB. ItC. All thatD. That27.It is widely that smoking can cause cancer.A.believedB. thinkC. sayD. hoped28.caused the accident is still a complete mystery.A.WhatB. ThatC. HowD. Where29.he does has nothing to do with me.A.whateverB. No matter whatC. ThatD. If30.It was he said disappointed me.A.what ;thatB.that; thatC.what;whatD.that;what用正确的代词或介词填空he will come to attend the meeting won’t make any difference.I couldn’t understand was why he didn’t attend the meeting.we will hold the meeting hasn’t been decided yet.leaves the room last ought to turn off the light.suddenly occurred to me that I had left my keys at home.[参考答案] 1-10 CBACD DDCAA 11-20 CBDAC BDBAC 21-30 BABBCBAA。

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 important for us to protect the environment.A.ThatB.ThisC.ItD.One答案解析：C。

本题考查it 作形式主语的用法。

it 在句中作形式主语，真正的主语是to protect the environment。

A、B、D 选项均不能作形式主语。

2._____ is known to all that the earth is round.A.ThatB.ThisC.ItD.One答案解析：C。

本题考查it 作形式主语的用法。

it 在句中作形式主语，真正的主语是that the earth is round。

A、B、D 选项均不能作形式主语。

3._____ is a pity that he can't come.A.ThatB.ThisC.ItD.One答案解析：C。

本题考查it 作形式主语的用法。

it 在句中作形式主语，真正的主语是that he can't come。

A、B、D 选项均不能作形式主语。

4._____ is necessary to learn English well.A.ThatB.ThisC.ItD.One答案解析：C。

本题考查it 作形式主语的用法。

it 在句中作形式主语，真正的主语是to learn English well。

A、B、D 选项均不能作形式主语。

5._____ is said that he has gone abroad.A.ThatB.ThisC.ItD.One答案解析：C。

本题考查it 作形式主语的用法。

it 在句中作形式主语，真正的主语是that he has gone abroad。

A、B、D 选项均不能作形式主语。

6._____ is reported that a new bridge will be built.A.ThatB.ThisC.ItD.One答案解析：C。

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”。

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。

八年级英语主语从句练习题40题

八年级英语主语从句练习题40题1. It is important that we study hard.A.thatB.whatC.whichD.who答案：A。

解析：“It is important that...”是固定句型，that 引导的主语从句在句中作真正的主语，it 作形式主语。

选项B、C、D 均不符合该句型要求。

2. It is known to all that the earth is round.A.thatB.whatC.whichD.when答案：A。

解析：“It is known to all that...”是常见句型，that 引导的主语从句在句中作真正的主语，it 作形式主语。

选项B、C、D 均不符合该句型要求。

3. It is a pity that he missed the game.A.thatB.whatC.whichD.who答案：A。

解析：“It is a pity that...”是固定用法，that 引导的主语从句在句中作真正的主语，it 作形式主语。

选项B、C、D 均不符合该句型要求。

4. It seems that he is very busy.A.thatB.whatC.whichD.who答案：A。

解析：“It seems that...”是常用句型，that 引导的主语从句在句中作真正的主语，it 作形式主语。

选项B、C、D 均不符合该句型要求。

5. It is said that he is a good student.A.thatB.whatC.whichD.who答案：A。

解析：“It is said that...”是常见表达，that 引导的主语从句在句中作真正的主语，it 作形式主语。

选项B、C、D 均不符合该句型要求。

6. It is reported that there will be a football match tomorrow.A.thatB.whatD.when答案：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。

高中英语主语从句用法练习题40题(带答案)

高中英语主语从句用法练习题40题(带答案)1._____ he will come to the party is still uncertain.A.ThatB.WhetherC.WhatD.When答案解析：B。

“他是否会来参加派对还不确定”。

A 选项that 在主语从句中无实际意义，只起连接作用，但此处表达不确定，that 不合适；C 选项what 表示“什么”，不符合题意；D 选项when 表示“什么时候”，也不符合不确定的语境。

而whether 表示“是否”，符合题意。

2._____ she can finish the task on time is a question.A.ThatB.WhetherC.WhatD.Who答案解析：B。

“她是否能按时完成任务是个问题”。

A 选项that 在主语从句中无实际意义，只起连接作用，但此处需要表达不确定，that 不合适；C 选项what 表示“什么”，不符合题意；D 选项who 表示“谁”，也不符合题意。

whether 表示“是否”，符合语境。

3._____ is known to all is that the earth is round.A.ThatB.WhetherC.WhatD.As答案解析：A。

“众所周知，地球是圆的”。

what 引导主语从句时在从句中要充当成分，此处不适合；whether 表示“是否”，不符合题意；as 引导非限制性定语从句，也不符合；that 引导主语从句，在从句中无实际意义，只起连接作用，符合题意。

4._____ we need is more time.A.ThatB.WhetherC.WhatD.Who答案解析：C。

“我们需要的是更多时间”。

that 在主语从句中无实际意义，只起连接作用，此处不合适；whether 表示“是否”，不符合题意；who 表示“谁”，不符合语境。

what 引导主语从句且在从句中充当need 的宾语，符合题意。

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。

高中英语主语从句用法练习题50题含答案解析

高中英语主语从句用法练习题50题含答案解析1._____ he will come or not is still uncertain.A.ThatB.WhetherC.IfD.When答案解析：B。

“Whether...or not”是固定搭配，表示“是否”。

A 选项that 在主语从句中无实际意义，只起连接作用，且不能与or not 连用；C 选项if 也表示“是否”，但不能与or not 连用；D 选项when 表示“什么时候”，不符合语境。

2._____ she won the first prize surprised us all.A.ThatB.WhetherC.IfD.What答案解析：A。

此句中“she won the first prize”是一个完整的句子，不缺任何成分，用that 引导主语从句，只起连接作用，无实际意义。

B 选项whether 表示“是否”；C 选项if 表示“是否”；D 选项what 在主语从句中要充当成分，而此句不缺成分。

3._____ is important is that we should study hard.A.ThatB.WhetherC.WhatD.Who答案解析：C。

此句中“is important”缺少主语，用what 引导主语从句并在从句中作主语。

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”；D 选项who 表示“谁”，不符合语境。

4._____ he can finish the work on time is a problem.A.ThatB.WhetherC.IfD.When答案解析：B。

此句中“he can finish the work on time”不缺成分，但需要表示“是否”的引导词，whether 和if 都有“是否”之意，但if 不能引导主语从句，所以用whether。

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。

初二英语主语从句练习题50题

初二英语主语从句练习题50题1._____ is important for us to study hard.A.ThatB.ThisC.ItD.One答案：C。

解析：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to study hard。

A 选项That 和B 选项This 不能作形式主语；D 选项One 不是形式主语。

2._____ seems that he is very happy.A.ThatB.ThisC.ItD.One答案：C。

解析：本题考查it 作形式主语的主语从句。

it seems that...是固定句型，表示“似乎……”。

A 选项That 和B 选项This 不能作形式主语；D 选项One 不是形式主语。

3._____ is known to all that the earth is round.A.ThatB.ThisC.ItD.One答案：C。

解析：本题考查it 作形式主语的主语从句。

it is known to all that...是固定句型，表示“众所周知……”。

A 选项That 和B 选项This 不能作形式主语；D 选项One 不是形式主语。

4._____ is a pity that you can't come.A.ThatB.ThisC.ItD.One答案：C。

解析：本题考查it 作形式主语的主语从句。

it is a pity that...是固定句型，表示“很遗憾……”。

A 选项That 和B 选项This 不能作形式主语；D 选项One 不是形式主语。

5._____ is necessary that we should learn English well.A.ThatB.ThisC.ItD.One答案：C。

解析：本题考查it 作形式主语的主语从句。

it is necessary that...是固定句型，表示“……是必要的”。

主语从句专项练习（含答案）

主语从句专项练习(含答案) 1.________ makes mistakes must correct them. A. What B. That C. Whoever D. Whatever 2. It worried her a bit ____ her hair was turning grey. A. while B. that C. if D. for 3.When and why he came here ________ yet. A. is not known B. are not known C. has not known D. have not known 4. ________ is no reason for dismissing her. A. Because she was a few minutes late B. Owing to a few minutes late C. The fact that she was a few minutes late D. Being a few minutes late 5. ________ Tom liked to eat was different from ________. A. That…that you had expected B. What …that you had expectedC. That…what you had expected D. What…what you had expected6.________ we go swimming every day ________ us a lot of good. A. If...do B. That...do C. If...does D. That...does 7.It ________ Bob drives badly. A. thinks that B. is thought what C. thought that D. is thought that 8.It's uncertain ________ the experiment is worth doing. A. if B. that C. whether D. how 9.________ the boy didn't take medicine made his mother angry. A. That B. What C. How D. Which 10.____ we can't get seems better than ____ we have. A. What, what B. What, that C. That, that D. That, what 11.____ you don't like him is none of my business. A. What B. Who C. That D. Whether 12..____ we'll go camping tomorrow depends on the weather. A. If B. Whether C. That D. Where 13._________is going to do the job will be decided by the Party committee. A. That B. Why C. How D. Who 14._______we'll finish translating the book depends on the time. A. When B. Why C. What D. That 15.______he won't go there is clear to all of us. A. How B. What C. Why D. This 16.______the house will be built will be discussed at tomorrow's meeting. A. If B. Where C. That D. What 17. ._______you come or not is up to you. A. What B. If C. Why D. Whether 18..Is _______true that the famous scientist will give us a lecture next week. A. that B. it C. is D. he 19.._______team will win the match is a matter of public concern. A. Which B. That C. If D. How 20..________leaves the room last ought to turn off the lights. A. Anyone B. The person C. Whoever D. Who 21. ________he really means is________ he disagrees with us. A. What, what B. What, that C. That, that D. That, what 22.It has not been decided ________they will leave for Beijing. A. when B. that C. what D. why 23.____he will go to work in a mountain village surprises all of us. A. What B. That C. Whether D. If . ____you don’t like him is none of my business.2424. ____you don’t like him is none of my business.A. What B. That C. Who D. How 25.____all the inventions have in common is ____they have succeeded. A. What; what B. That; that C. what; that D. That ; what 26. ____appeared to me that he enjoyed the food very much. A. What B. It C. All that D. That 27. It is widely ______that smoking can cause cancer. 30. It was he said disappointed me. [参考答案] 1-10 CBACD DDCAA 11-20 CBDAC BDBAC 21-30 BABBCBAA。

高中英语主语从句用法练习题50题含答案解析

高中英语主语从句用法练习题50题含答案解析1._____ makes a person great is not wealth but inner qualities.A.WhatB.WhichC.WhoD.That答案解析：A。

“What makes a person great”在句中作主语，what 在主语从句中充当主语，表示“什么”。

which 表示“哪一个”，在有范围的情况下使用；who 表示“谁”；that 在主语从句中不充当成分，只起连接作用，本句缺少主语，所以选A。

2._____ he will come or not is still uncertain.A.WhetherB.IfC.ThatD.When答案解析：A。

“Whether he will come or not”在句中作主语，whether 和if 都可以表示“是否”，但是在引导主语从句且后面有or not 的时候只能用whether；that 在主语从句中不充当成分，只起连接作用；when 表示“什么时候”，不符合句意，所以选A。

3._____ 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”在句中作主语，what 在主语从句中充当主语，表示“……的事情”。

as 引导非限制性定语从句；it 不能引导主语从句；that 在本句中引导主语从句后置的表语从句，在主语从句中不充当成分，只起连接作用，本句缺少主语，所以选A。

4._____ we need is more time.A.WhatB.ThatC.WhichD.Who答案解析：A。

“What we need”在句中作主语，what 在主语从句中充当宾语，表示“我们需要的东西”。

that 在主语从句中不充当成分，只起连接作用；which 表示“哪一个”，在有范围的情况下使用；who 表示“谁”，不符合句意，所以选A。

主语从句练习题

主语从句练习题主语从句练习题主语从句是英语语法中的重要部分，它在句子中充当主语的角色。

掌握主语从句的用法对于提高英语写作和口语表达能力非常重要。

下面将给出一些主语从句的练习题，帮助读者更好地理解和掌握这一语法结构。

练习题一：选择正确的主语从句1. ________ is not clear why he didn't attend the meeting.a) That b) Whether c) If d) What2. ________ you said really surprised me.a) That b) Whether c) If d) What3. ________ he will come to the party is still uncertain.a) That b) Whether c) If d) What4. ________ she is right or wrong doesn't matter to me.a) That b) Whether c) If d) What5. ________ will happen next is still unknown.a) That b) Whether c) If d) What练习题二：将下列句子改写为主语从句1. The fact that he lied shocked everyone.改写为主语从句：________ he lied shocked everyone.2. It is a mystery why she left the company.改写为主语从句：________ she left the company is a mystery.3. The question of whether he will accept the offer remains unanswered.改写为主语从句：________ he will accept the offer remains unanswered.4. The idea that we should go on a trip together sounds great.改写为主语从句：________ we should go on a trip together sounds great.5. The fact that he won the competition surprised everyone.改写为主语从句：________ he won the competition surprised everyone. 练习题三：根据上下文填入适当的主语从句1. ________ you said made me think about my own life.(上下文：We had a deep conversation about life and philosophy.)2. ________ she will come to the party is still unknown.(上下文：We invited her, but she hasn't given us a definite answer yet.) 3. ________ is not clear why he didn't attend the meeting.(上下文：His absence was unexpected, and no one knows the reason.) 4. ________ will happen next is still uncertain.(上下文：The situation is unpredictable, and we have to wait and see.) 5. ________ you did yesterday really impressed me.(上下文：I saw your performance at the talent show, and it was amazing.) 练习题四：用适当的主语从句改写下列句子1. It is important to exercise regularly.改写为主语从句：________ is important to exercise regularly.2. It seems that she is not happy with her new job.改写为主语从句：________ she is not happy with her new job.3. It is clear that they have a strong bond as siblings.改写为主语从句：________ they have a strong bond as siblings.4. It is a pity that he missed the opportunity to study abroad.改写为主语从句：________ he missed the opportunity to study abroad.5. It is obvious that he has put a lot of effort into this project.改写为主语从句：________ he has put a lot of effort into this project.答案：练习题一：1. d) What 2. a) That 3. b) Whether 4. c) If 5. a) That练习题二：1. That he lied shocked everyone. 2. Why she left the company is a mystery. 3. Whether he will accept the offer remains unanswered. 4. That we should go on a trip together sounds great. 5. That he won the competition surprised everyone.练习题三：1. What you said made me think about my own life. 2. Whether she will come to the party is still unknown. 3. It is not clear why he didn't attend the meeting. 4. What will happen next is still uncertain. 5. What you did yesterday really impressed me.练习题四：1. Exercising regularly is important. 2. She is not happy with her new job. 3. They have a strong bond as siblings. 4. It is a pity that he missed the opportunity to study abroad. 5. It is obvious that he has put a lot of effort into this project.。

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。

所以选B。

5.It is not clear _____ he will come.A.thatB.whetherC.whoD.what答案解析：B。