语法

一下列句子改写成it作主语的句子
1.That the word is round is a fact.
2.That smoking can cause cancer is true.
3.That English is becoming an international language is true.
4.That Clint failed his English exam was strange.
5.That they are still alive is a consolation.
6.That he has been late for work over and over again is a serious matter.
二将括号中的句子进行适当的句式变换后填入空格
1. There is a popular saying _____ (Family instability causes social instability.)
2. No one knows exactly _____ (Is there life on other planets?)
3. No one knew _____.(Would interest rates rise?)
4. I am interested in the question _____. (Will people live in the moon someday?)
5. No one knows for sure _____. ( Will the gains be greater than the losses?)
6. My question is _____. (Do we have enough time to go to the movie?)
7. September 11, 2001 started out as an ordinary day, but _____ will be forever etched in our memories. (What happened that morning?)
8. _____ is wholly new kind of police force. (What do we need?)
9. Children often ask ____. (How do bears survive winter?)
10. _____ is true. (What did he tell you?)
11. ____ has not yet been decided. (Who will chair the meeting?)
12. ____ has not yet been decided. (When is the meeting to be held?)
13. ____ is still a mystery. (Why did he refuse to cooperate with us?)
14. ____ is more important than what his fate is. (How does a person master his fate?)
15. Could you tell me ____? (Where is the post office?)
16. We don’t know ____. (Why didn’t he come yesterday?)
17. This is ____. (Where does our basic interest lie?)
18. My question is ____. (Where are we going to have our holidays?)
三选择(主语从句)
1. He didn’t live up to _____ had been expected of him.
A. what
B. which
C. that
D. all what
2. I realized _____ I said _____ was not exactly _____ I meant to say.
A. what, that, what
B. that, what, what
C. that, which, which
D. that, that, what
3. Although Anne is happy with her success she wonders ____ will happen to her private life.
A. that
B. what
C. it
D. which
4. The mere fact ____ most people believe nuclear war would be madness does not mean that it will not occur.
A. what
B. which
C. that
D. why
5. It is obvious _____ on more important things.
A. which the money should we spend
B. what the money should we spend
C. that the money should we spend
D. that we should spend the money
2. _____ hard water does not mix well with soap.
A. That is a well-known fact
B. That is a well-known fact in which
C. It is a well-known fact that
D. It is a well-known that
3. _____ every magnet is surrounded by a magnetic field.
A. It believes that
B. It believed that
C. It is believed that
D. It’s believing that
4. _____ was to return to school.
A. That really interested him
B. What really interested him
C. Which really interested him
D. That interested him really
5. _____ your men have been on my land without permission.
A. It seems that
B. There seems to be
C. That seems
D. It seems for
6. _____ I have made no arrangements to deal with such cases.
A. It appear that
B. That appears
C. They appear that
D. It appears that
7. ____ that the first cheese was probably made more than 4,000 years ago by nomadic tribes in Asia.
A. The belief
B. Although they believe
C. It is believed
D. Believing
8. _____ to space travelers is high acceleration or deceleration forces.
A. That can be dangerous
B. What can be dangerous
C. They can be dangerous
D. It can be dangerous
9. _____ unstable and explodes as a supernova is not known.
A. For a star to become
B. How a star becomes
C. A star becomes
D. That a star is becoming
10. _____ composed traditionally has been a subject of debate among scholars.
A. Where ballads how
B. Ballads were how they
C. How ballads that were
D. How ballads were
四选择（宾语从句）
1. He asked me ______ I intended to do after my graduation.
A. that what
B. what
C. that
D. which
2. Listening carefully to _____ in class means less work later.
A. what does the teacher says
B. what the teacher says
C. that the teacher says
D. which the teacher says
3. John didn’t say _____ he would return, but I presume he’ll be back for dinner.
A. that when B when C. if or not D. where
4. After the accident, I opened my eyes slowly and realized _____ I was still alive.
A. that
B. whether
C. what
D. which
5. No one knows exactly _____.
A. how did speech begin
B. how speech began
C. how the beginning of speech
D. of how beginning speech
6. He wondered _____.
A. what will be his wife’s reaction
B. what would his wife’s reaction be
C. how would be his wife’s reaction
D. of how beginning speech
7. A popular belief _____ radio and television have homogenized the language of the United States.
A. states that
B. that is stated
C. that states
D. stating that
8. I don’t care _____ we are invited to the dinner.
A. if or not
B. whether or not
C. what
D. that
9. Chinese officials made _____ clear that there could be no normalization of relation until the United States terminated diplomatic relations with Taiwan.
A. that
B. them
C. it
D. this
10. He is wondering _____ a doctor.
A. whether or not he should see
B. that he should see or not
C. if or not he should see
D. if to see or not
五选择（表语从句）
1. The reason for my return is _____ I left my keys behind.
A. because
B. it
C. that
D. why
2. The mountain was _____ many animals, such as wolves, badges and rabbits once haunted but now it is so silent.
A. that place
B. where
C. what
D. then
3. The reason we’re so late is _____.
A. because of the car breaking down
B. due the care broke down
C. that the car broke down
D. because the car broke down
4. The reason she failed in the exam was _____.
A. that she hadn’t worked hard
B. because she hadn’t worked hard
C. why she hadn’t worked hard
D. because she was too careless
5. A hinge joint is ____ permits the forward and backward movement of a door.
A. what
B. that
C. which
D. where
6. Stopping pouring polluted water into the river is _____ the factory has to solve at present.
A. what
B. which
C. as
D. that
六综合练习
1. If you had told me just _____ I was to do they would never have found fault with my handling of the case.
A. that
B. what
C. which
D. whatever
2. _____ the London Zoo will adopt as a measurement at the critical moment is to try all ways preserving the animals in the zoo.
A. That
B. What
C. It’s
D. Whether
3. How close parent are to their children _____ a strong influence on the character of the children.
A. have
B. has
C. having
D. to have
4. ____ that snow men were often spotted on the mountainside above 7,000 meters by the local inhabitants.
A. It was used to be saying
B. It used to be said
C. It used to say
D. It was used to saying
5. ____ the students think it their duty to study hard has laid the foundation for the university’s high reputation.
A. That all
B. What
C. All that
D. What all
6. It’s doubtful _____ the government of that country can accept them as permanent resident.
A. whether
B. that
C. how
D. what
7. It has always puzzled me _____ the old ma tied a red silk ribbon on the young tree in his courtyard.
A. that
B. why
C. where
D. what
8. _____ was the “curiosity of all mankind to explore the unknown.”
A. That moved the human spirit
B. What moved the human spirit
C. What the human spirit moved
D. Which moved the human spirit
9. _____ the mass of the nuclear is slightly less than the total mass of the protons and neutrons which made up the nucleus.
A. It found that
B. It was found that
C. It was found for
D. It finds for
10. His success was due to _____ he had been working hard.
A. that
B. the fact which
C. the fact that
D. the fact of
11. _____ makes mistakes must correct them.
A. What
B. That
C. Whoever
D. Whatever
12. He works too hard. That is _____ is wrong with him.
A. that which
B. that what
C. what
D. the thing what
13. The reason why I plan to go is _____ if I don’t.
A. because she will disappoint
B. that she will be disappointed
C. because she will have been disappointed
D. for she will be disappointed
14. A: “What is that building?”
B: “_____ the garden equipment is stored.”
A. There’s in which
B. That’s where
C. The building that
D. That’s building which
15. You can take _____ room you prefer.
A. to what
B. whichever
C. that
D. who
16. Free movie tickets will be given to _____ comes first.
A. whoever
B. whomever
C. whichever
D. whatever
17. We agreed to accept _____ they thought was the best tourist guide.
A. whatever
B. whomever
C. whichever
D. whoever
18. Yet no firm evidence had come to light _____ the men arrested were actually responsible.
A. which
B. as
C. what
D. that
19. _____ that as both birds and mammals become larger, their metabolic rates per unit of tissue decrease, and they generally live longer.
A. The truth
B. It is truth
C. If true
D. To be true
20. _____ is the center of our planetary system was a difficult concept to grasp in the Middle Age.
A. It is the sun and not the earth
B. Being the sun and not the earth
C. The sun an not the earth
D. That the sun and not the earth
21. It is a widely held theory _____ the ancestral prototype of the flowering Asterales was a woody plant, perhaps a small tree.
A. where
B. until
C. while
D. that
22. The question is _____ can be put into practice.
A. how you have learned
B. how that you have learned
C. that why you have learned
D. how what you have learned
23. _____ the trainer wanted to tell is _____ Asian elephants are easier to tame than African ones.
A. That, those
B. What, that
C. What, the
D. That, which
24. When reports came into London Zoo _____ a wild puma had been spotted forty-five miles south of London, they were not taken seriously.
A. what
B. as
C. which
D. that
25. The theory states _____, such as light, is given off and absorbed in tiny definite units called quanta or photos.
A. energy that
B. that it is energy
C. it is energy
D. that energy。