帮我做下作业啦，谢谢！。。

1. I don’t know why she’s looking at me ______ she knew me. I’ve never seen her before in my life.A. as
B. although
C. even if
D. as if
2. The robber told him that he had better keep silent ______ he wanted to get into troubleA. if
B. unless
C. otherwise
D. whether
3. “Did you wait for him very long?” “Yes, I ______ to bed until five in the morning.”A. did go
B. didn’t go
C. had gone
D. went
4. He is really incompetent! The letter ______ yesterday.A. should be finished typing
B. must be finished typing
C. must have finished typing
D. should have been finished typing
The young doctor could not sleep at night, his thoughts ______ him no peace.A. gave
B. giving
C. being given
D. to give
6. I don’t know whether it will rain or not, but if it ______ rain, I shall stay at home.A. will
B. did
C. does
D. shall
7. ______ is it only the ignorant and ill-educated person who has such faith in the bottle of medicine.A. Either
B. Often
C. Nor
D. Usually
8. If negotiations for the new trade agreements take ______, critical food shortages will develop in several countries.A. too much longer
B. much too long
C. the longest
D. the long
9. I wish I ______ to the movies with you last night.A. went
B. did go
C. could go
D. could have gone
10. The highest temperature ______ in any furnace on earth is about 10,000 centigrade.A. we can get
B. that we can get it
C. which we can get it
D. what we can get
11. Either the dean or the principal ______ the meeting.A. attends
B. attend
C. are attending
D. have attended
12. Typical of the new type of young people ______, who set a shining example to the whole nation.A. was Lei Feng
B. Were Lei Feng
C. Lei Feng was
D. Lei Feng were
13. He ran all the way up to the station ______ that the train had left fifteen minutes before.A. in order to find
B. so as to find
C. only to find
D. such as to find
14. I hoped ______ my letter.A. her to answer
B. that she would answer
C. that she answers
D. her answering
15. ______ was wrong.A. Not the teacher but the students
B. Both the students and the teacher
C. Neither the teacher not the students
D. Not the students but the teacher
16. The center of gravity of the human body ______ behind his joint.A. located
B. locating
C. to locate
D. is located
17. Three hours ______ enough for us to finish the task.A. are
B. has
C. is
D. were
18. “If I hadn’t practiced when I was younger,” the musician says,“I ______ able to play so well now.”A. wouldn’t be
B. won’t be
C. wouldn’t have been
D. couldn’t have been
19. What Mr. Smith did was important , but ______.A. more important the way of he did things was
B. the way of he did things was more important
C. more important was the way he did things
D. more important the way were he did things
满分：2.5 分
20. “Today is very cold, isn’t it?” “Yes, the river is _____ over.”A. freezed
B. freeze
C. frozen
D. freezing

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