一、单选题（共 20 道试题，共 100 分。）V 1. It seems oil _______ from this pipe for some time. We＇ll have to take the machine apart to put it right.|
A. had leaked
B. is leaking
D. has been leaking
2. The medicine is on sale everywhere. You can get it at _______ chemist＇s.
3. The pressure _______ causes Americans to be energetic, but it also puts them under a constant emotional strain.
A. to compete
C. to be competed
D. haveing competed
4. In general, the____amount that a student spends for housing should be held to one- fifth of the total for living expenses.
5. Had he worked harder, he _______ the exams.
A. must have got through
B. would have got through
C. would get through
D. could get through
6. Your hair wants _______. You＇d better have it done tomorrow.
B. to cut
D. being cut
7. Only under special circumstances _______ to take make up tests.
A. are freshmen permitted
B. freshmen are permitted
C. permitted are freshmen
D. are permitted freshmen
8. The government is trying to do something to _______ better understanding between the two countries.
9. I hate people who _______ the end of film that you haven＇t seen before.
10. Every man in this country has the right to live where he wants to, _______the color of his skin.
A. with the exception of
B. in the light of
C. by virtue of
D. regardless of
11. Once environmental damage _______, it takes many years for the system to recover.
A. has done
B. is to do
D. is done
12. You cannot be _______ careful when you drive a car.
13. The old couple decided to ________ a boy and a girl though they had three children of their own.
14. The mere fact _______ most people believe nuclear war would be madness does not mean that it will not occur.
15. John seems a nice person, _______ I don＇t trust him.
A. Even though
B. Even so
16. When he arrived, he found _______ the aged and the sick at home.
A. none but
B. none other than
C. nothing but
D. no other than
17. The newspaper did not mention the _______ of the damage caused by the fire.
18. The soldier was _____of running away when the enemy attacked.
19. I had just started back for the house to change my clothes _______ I heard voices.
20. I don＇t think it advisable that Tim _______ to the job since he has no experience.
A. is assigned
B. will be assigned
C. be assigned
D. has been assigned
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