主语从句练习
人教版高中英语主语从句用法练习题50题【答案解析】
人教版高中英语主语从句用法练习题50题【答案解析】1._____ he will come to the party is still uncertain.A.ThatB.WhetherC.WhatD.When答案解析：B。
“Whether he will come to the party”在句中作主语，“whether”表示“是否”，在主语从句中，“whether”有明确的“是否”含义，而“that”在主语从句中无实际意义，只是起引导作用，本句需要表达不确定他是否会来参加聚会，所以用“whether”。
“what”引导主语从句时在句中要充当成分，这里不缺成分不合适。
“when”引导主语从句时表示时间，与本句意思不符。
2._____ she can finish the task on time is important.A.ThatB.WhetherC.WhatD.Which答案解析：A。
“That she can finish the task on time”在句中作主语，“that”在主语从句中无实际意义，只是起引导作用，本句只是陈述她能按时完成任务这件事很重要，不缺成分也没有“是否”的含义，所以用“that”。
“whether”表示“是否”，不符合本句意思。
“what”引导主语从句时在句中要充当成分，这里不缺成分不合适。
“which”引导主语从句时表示选择，与本句意思不符。
3._____ the new policy will be effective remains to be seen.A.ThatB.WhetherC.WhatD.How答案解析：B。
“Whether the new policy will be effective”在句中作主语，“whether”表示“是否”，本句表达新政策是否会有效还有待观察，有“是否”含义，所以用“whether”。
“that”在主语从句中无实际意义，只是起引导作用，这里不合适。
人教版高中英语主语从句练习题20题【含答案解析】
人教版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。
“It is important that...”是固定句型，其中that 引导的主语从句，在这个句型中只能用that。
B 选项what 引导主语从句时在从句中要充当成分，这里不合适；C 选项which 引导主语从句时要有选择的范围；D 选项when 引导时间状语从句，不符合题意。
2. It is still unknown who will win the game.A.whatB.whoC.whichD.that答案解析：B。
“It is still unknown...”后面的从句缺少主语，且根据句意“谁会赢得比赛还不知道”，所以用who 引导主语从句。
A 选项what 在主语从句中要充当成分，这里不合适；C 选项which 要有选择的范围；D 选项that 在主语从句中不充当成分，且此句意思不符。
3. It doesn't matter whether you come or not.A.ifB.whetherC.that答案解析：B。
“It doesn't matter...”后面用whether 引导主语从句表示“是否”，A 选项if 不能引导主语从句；C 选项that 在主语从句中不充当成分，且此句意思不符；D 选项when 引导时间状语从句，不符合题意。
4. It is a pity that he missed the concert.A.thatB.whatC.whichD.when答案解析：A。
“It is a pity that...”是固定句型，其中that 引导的主语从句，在这个句型中只能用that。
B 选项what 引导主语从句时在从句中要充当成分，这里不合适；C 选项which 引导主语从句时要有选择的范围；D 选项when 引导时间状语从句，不符合题意。
(完整word版)主语从句超全练习题及答案
主语从句练习题[即学即用]I. 用适当的词填空，使句子意思完整。
1。
______ he didn’t attend the meeting yesterday wasn’t quite clear。
2。
The Foreign Minister said, “It is our hope ______ the two sides will work towards peace.”3. ______ team will win the match is still unknown。
4. ______ comes to the party will receive a present.5。
______ Mary has left is still a question.6。
It’s reported ______ three people were killed in the accident and five were hurt badly.7。
______ he solved the problem successfully interested all of us.8。
We usually think ______ we can’t get seems better than what we have.9。
It is a fact ______ English is being accepted as an international language。
10. ______ is to be sent there to solve the problem hasn't been decided.II。
下列各句中均有一处错误，请改正。
1。
That the old man’s son wanted to know was where the gold had been hidden。
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。
人教版高中英语主语从句练习题50题【含答案解析】
人教版高中英语主语从句练习题50题【含答案解析】1. ____ is known to all, the earth is round.A. ItB. AsC. WhichD. That答案：B解析：本题考查非限定性定语从句。
as引导非限定性定语从句，可放于句首，有“正如”的意思。
it不能引导定语从句，which引导非限定性定语从句不能放于句首，that不能引导非限定性定语从句。
2. ____ he will come to the meeting is certain.A. WhatB. ThatC. WhetherD. Where答案：B解析：本题考查主语从句。
“he will come to the meeting”这个句子结构完整，不缺成分，所以用that引导主语从句，that在句中无实际意义，只起连接作用。
3. ____ makes this shop different is that it offers more personal services.A. WhatB. WhoC. WhateverD. Whoever答案：A解析：本题考查主语从句。
从句中缺少主语，表示“什么”使这个商店不同，所以用what引导。
who表示人，不符合题意；whatever表示无论什么，有让步的意思；whoever表示无论是谁，也不符合题意。
4. It worried her a bit ____ her hair was turning grey.A. whileB. thatC. ifD. for答案：B解析：本题考查主语从句。
it是形式主语，真正的主语是“her hair was turning grey”这个句子，句子结构完整，不缺成分，用that引导。
while引导时间状语从句；if引导条件状语从句；for引导原因状语从句。
5. ____ is a fact that English is being accepted as an international language.A. ThereB. ThisC. ThatD. It答案：D解析：本题考查it作形式主语。
人教版高中英语主语从句练习题20题【答案解析】
人教版高中英语主语从句练习题20题【答案解析】 1. _____ makes this shop different is that it offers more personal services. A. What B. Who C. Whatever D. Whoever 答案解析：A。本题考查主语从句的引导词。句中“_____ makes this shop different”是主语从句，这个从句缺少主语，表示事物，“what”可以在主语从句中充当主语，表示“……的事物”。“who”和“whoever”通常指人，不符合句子语境。“whatever”表示“无论什么”，有让步的含义，在这里不合适，所以选A。
2. It is still under discussion _____ the old bus station should be replaced with a modern hotel or not.
A. whether B. when C. which D. where 答案解析：A。本题考查主语从句的引导词。“It”是形式主语，真正的主语是“the old bus station should be replaced with a modern hotel or not”这个主语从句。“whether...or not”是固定搭配，表示“是否”，用来引导主语从句，符合句子语境。“when”表示时间，“which”表示“哪一个”，“where”表示地点，都不符合句子要表达的“是否”的意思，所以选A。
3. _____ we understand things has a lot to do with what we feel. A. Where B. How C. Why D. When 答案解析：B。在这个句子中，“_____ we understand things”是主语从句。从句中主谓宾结构完整，需要一个表示方式的连接词，“how”表示“如何，怎样”，用来引导主语从句，说明我们理解事物的方式与我们的感受有很大关系。“where”表示地点，“why”表示原因，“when”表示时间，都不符合句子语境，所以选B。
人教版高中英语主语从句用法练习题50题含答案解析
人教版高中英语主语从句用法练习题50题含答案解析1. ______ we will go camping tomorrow depends on the weather.A. IfB. WhetherC. ThatD. Where答案解析：B。
判断是否为主语从句，看这个句子是否在整个句子中充当主语。
在这个句子中，“Whether we will go camping tomorrow”这一整个句子作主语。
根据题意，我们明天是否去露营取决于天气，“if”不能引导主语从句放在句首，“that”在主语从句中无意义，“where”语义不符，所以选“Whether”。
2. ______ he said at the meeting astonished everyone present.A. WhatB. ThatC. The factD. Which答案解析：A。
这里“______ he said at the meeting”作主语，是主语从句。
判断依据是这个从句在句中作主语。
在从句中“said”缺少宾语，“what”可作宾语，表示“他在会议上说的话”，“that”在从句中不充当成分，“the fact”不能引导从句，“which”表示“哪一个”，语义不符，所以选“What”。
3. ______ is known to all, China has made great progress in recentyears.A. ItB. AsC. ThatD. Which答案解析：B。
首先判断出“______ is known to all”是主语从句。
“as”引导的非限制性定语从句可放在句首，有“正如”的意思，这里“as is known to all”表示“众所周知”，“it”不能引导从句，“that”引导主语从句时，不在句首，“which”引导非限制性定语从句不能放在句首表示“众所周知”，所以选“As”。
初一英语主语从句引导词练习题20题(答案解析)
初一英语主语从句引导词练习题20题(答案解析)1._____ he will come or not is still unknown.A.ThatB.WhetherC.WhatD.Who答案解析：B。
“Whether he will come or not”是主语从句，“whether...or not”是固定搭配，表示“是否”。
A 选项“that”在主语从句中无“是否”之意；C 选项“what”表示“什么”，不符合语境；D 选项“who”表示“谁”，也不符合题意。
2._____ she is happy is important to us.A.ThatB.WhetherC.WhatD.Who答案解析：A。
“That she is happy”是主语从句，“that”在主语从句中只起连接作用，无实际意义，且不充当任何成分。
B 选项“whether”表示“是否”，此处不需要；C 选项“what”表示“什么”，不符合语境；D 选项“who”表示“谁”，也不符合题意。
3._____ he can finish the work on time is a question.A.ThatB.WhetherC.WhatD.Who答案解析：B。
“Whether he can finish the work on time”是主语从句，“whether”表示“是否”，符合语境。
A 选项“that”在主语从句中无“是否”之意；C 选项“what”表示“什么”，不符合语境；D 选项“who”表示“谁”，也不符合题意。
4._____ they will go to the park depends on the weather.A.ThatB.WhetherC.WhatD.Who答案解析：B。
“Whether they will go to the park”是主语从句，“whether”表示“是否”，此处表示他们是否去公园取决于天气。
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(答案解析)
高中英语主语从句练习题20题(答案解析)1._____ he will come or not is still a question.A.ThatB.WhetherC.IfD.What答案解析：B。
“Whether...or not”是固定搭配，表示“是否”。
A 选项“That”引导主语从句时无“是否”之意；C 选项“If”不能与“or not”连用；D 选项“What”在主语从句中充当主语、宾语等成分，不符合题意。
2._____ surprised us most was that he passed the exam.A.WhatB.ThatC.WhichD.It答案解析：A。
“What surprised us most”中“What”在从句中充当主语，表示“最让我们惊讶的事情”。
B 选项“That”在主语从句中不充当成分；C 选项“Which”表示“哪一个”，不符合语境；D 选项“It”不是引导词。
3._____ is known to all, the earth is round.A.AsB.WhichC.ThatD.What答案解析：A。
“As is known to all”是固定用法，意为“众所周知”。
B 选项“Which”在引导主语从句时有特定的选择范围；C 选项“That”在该句中不合适；D 选项“What”在主语从句中充当成分，此处不适用。
4._____ he has done is very important.A.ThatB.WhatC.WhichD.Who答案解析：B。
“What he has done”中“What”在从句中充当宾语，表示“他所做的事情”。
A 选项“That”在主语从句中不充当成分；C 选项“Which”有选择范围；D 选项“Who”指人，不符合题意。
5._____ she will come to the party is not certain.A.IfB.WhetherC.ThatD.When答案解析：B。
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主语从句练习
单项选择题
1. _____ as much as one-fifth of all timber harvested is not used.
A. The estimate B. The estimate
C. They are estimated D. It is estimated that
2. _____ was once regarded as impossible has now become a reality.
A. That B. Which C. Who D. What
3. _____ we have achieved is attributed to the guidance of our parents.
A. Whoever B. Whatever C. However D. That
4. _____ you say now can’t make up for what you’ve done.
A. No matter B. Whatever C. However D. That
5. Although _____ happened in this developed country sounds like science fict
ion, it
could occur elsewhere in the world.
A. which B. what C. how D. it
6. _____ she had forgotten to take her notebook.
A. That occurred to her B. She occurred that
C. To her that occurred D. It occurred to her that
7. I am sure that _____ she said is wrong.
A. which B. all C. this D. what
8. We lost our way in the forest, and _____ made matters worse was that it w
as getting dark.
2
A. that B. which C. it D. what
9. _____ occurred to him that he had forgotten to lock the door when he left
home.
A. This B. It C. That D. These
10. _____ or not is still uncertain.
A. He’s coming B. If he is coming
C. That coming D. Whether he’s coming
11. It’s _____ he’ll be able to come.
A. doubt whether B. doubtful C. doubt it D. doubtful whether
12. It is _____ that the bridge has existed for more than three centuries .
A. appeared B. risen C. said D. born
13. _____ he saw both surprised and frightened him.
A. That B. When C. What D. Which
14. _____ is a spell of warm sunshine.
A. What do we all need. B. What all we need
C. What we need D. What we all need
15. _____ is a pity that he should feel so upset.
A. What B. That C. He D. It
16. _____ a spoonful of soil can tell us so much about the structure and
early history of the moon.
A. Remarkable B. Quite remarkably
C. It is remarkable that D. It is remarkable
17. _____ you nominate will be elected.
3
A. Who B. Which C. Whomever D. That’s
18. _____ book you borrow must be returned within a week.
A. What B. Which C. Whichever D. That’s
19. _____ is troubling me is that I don’t have much experience in international
commerce.
A. It B. That C. Which D. What
20. _____they wil go there to try another experiment has not been decided yet.
A. Whether B. If C. About whether D. Why
根据提示，完成句子。
1.__________________________________ hasn’t been decided yet.(pick)
谁将去接他还没有确定。
2.__________________________________ remains unknown.(finish)
我们是否能按时完成工作还不知道
3._____________________________________ is none of my
business.(like)
你喜不喜欢他都与我无关。
4._________________________________________ is being
discussed.(abroad)
他将何时出国正在讨论之中。
5.____________________________ in learning English is enough
practice.(matter)
英语学习中最重要的是足够的练习。
6.It worried her a bit
______________________________________________.(turn)
她的头发正在变白让她有些担忧。
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7.After Yang Liwei succeeded in circling the earth,
___________________________ our astronauts walk in space. (desire)
杨利伟成功地环绕地球后，我们希望的是宇航员在太空漫步。
8. ________________________________________ should be
punished.(break)
任何违法的人都应该被惩罚。
9.___________________ we can learn four foreign languages at the same
time.(seem)
我们能同时学四门外语似乎不可能。
10._______________________________ was that more than 90% of the
students had been admitted to the key universities.
让这所学校感到自豪的是超过90%的学生被重点大学录取了。