1. A computer can only do ________ you have instructed it to do.(NMET 2001)
A. how B. after C. what D. when
2. —I drove to Zhuhai for the air show last week..
—Is that _________ you had a few days off ? (NMET 99)
A. why B. when C. what D. where
3. I hate __________ when people talk with their mouths full.(NMET 98)
A. it B. that C. these D. them
4.---Do you remember __________ he came?
---Yes, I do, he came by car.
A. how B. when C. that D. if
5.Go and get your coat. It's ____ you left it.
A. there B. where C. there where D. where there
6.It is generally considered unwise to give a child __________ he or she wants.
A. however B. whatever C. whichever D. whenever
7.Can you tell me __________ ?
A. who is that woman B. who the woman is
C. whom is the woman D. that woman is
8. I don't doubt________ my friend, John will come to China soon.
A. that B. whether C. if D. when
9. I know nothing about her but __________ she is from Canada.
A. how B. when C. that D. why
10.It depends on __________ we have enough time.
A. if B. if or not C. that D. whether
11. The reason _________ nothing on earth is motionless is ___________ the earth is in constant motion(运动).
A. why; that B. that; why C. of; that D. that; because
12.---I believe _____you've done your best and _____ things will happen.
A. That; / B./; / C. what; that D./; that
13.Please give the book to ____ wins the first prize.
A. who B. whom C. whoever D. whomever
14.A man's worth lies not so much in ______ he has as in _______ he is.
A. that; what B. what; what C. that; that D. what; that
15.The gentleman insisted that he _______ the wallet.
A. hadn’t seen B. not see C. would not see D. did not see
▲名词性从句中的连接词有连词that / whether / as if，连接代词what / who/ which / whose / whatever / whoever / whomever / whichever，连接副词where / when / why / how / wherever / whenever。
That they are good at English is known to us all.
The problem is that we don’t have enough money.
She expressed the hope that they would come to China one day.
He judged that, because he was a child, he did not understand wine.
Everyone knew what happened and that she was worried.
The reason lies in that she works harder than the others do.
(A)It is clear/certain/likely/true/surprising that… （B）It is a pity/shame/good idea/no wonder that ...（C）It is said/reported/ believed/known/thought/suggested that … （D）It seems/happens that。如：
It happened that I went out last night.
It is said that China will win in the World Cup.
that 引导名词性从句时，在主从句中不以当任何句子成分，也没有任何含义；而what引导名词性从句时，在主从句中都要充当一定的句子成分，what可以分解成定语从句中的先行词 + 关系代词，即常说的先行词 + that。如：
It’s shame that he has made such a mistake.
Do what he says.
They expressed the hope that they would come to visit China again.(同位语从句)
The hope she expressed is that they would come to visit China again.（定语从句）
They put forward the question where they could get the money.
This is the place where the accident happened.
Hello, I didn’t know you were in London. How long have you been here?
The teacher told us that light travels at a very high speed.
When the meeting will begin has not been decided yet.
When they will start and where they go have not been decided yet.
When and where the meeting will begin has not been decided.
e.g. I didn't know what ____with her.
A. was the matter B. is the matter C. matter D. the matter is 【A】
二、what 和 that 的区别：在名词性从句中 what 可以做主语、宾语或表语； that不做成分。
e.g. ①China isn't ____she used to be. A. that B. what C. where D. how 【B】
②____they won the game was ____we had expected.
A. That; which B. Whether; that C. That; where D. That; what 【D】
三、形式主语和形式宾语it的用法：在英语中只有 it 可以做形式宾语，this/that 不行。 e.g. Don't take it for granted that he will help us. He makes it a rule that he gets up early every
四、在某些动词，如think, expect, suppose, believe, guess等后的宾语从句中，如果是否定形式，其否定副词not要提前到主句谓语动词上。
e.g. I don't think he is honest. I don't believe he can do it alone.
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