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13. There are some police cars in front. What do you suppose _____?

　　 A. is the matter　 　　　　　　　　　　　　　　　 B. is happened

　　 C. is the wrong 　　　　　　　　　　　　　　　　 D. the trouble is

12.Tina _____ have known the truth, or she would have told us.

　　 A. mustn’t 　　 B. shouldn’t 　 C. can’t 　　　 D. needn’t

11._____ their real economic situations, they got some relief fund from the government.

　　 A. Considering 　　　　　　　　 B. Considered 　

　　 C. Having been considered 　　　 D. Being considered

10. No matter how frequently _____ the works of Beethoven always attract a large number of people.

　　 A. performing 　 　　　　　　　　 B. performed 　

　　 C. to be performed 　　　　　　 D. being performed

9.The great use of school education is not so much to teach you things _____ to teach you the art of learning.

　　 A. as 　　　　　 B. that 　　　　 C. than 　　　　 D. but

8. I heard that you really had a wonderful time at John’s birthday party, _____?

　　 A. didn’t I 　 B. didn’t you C. hadn’t you D. will you

7. Modern science and technology has _____ communication between people far apart.

　　 A. made convenient 　　　　　　 B. made it convenient

　　 C. made it convenient for 　　　 D. made it convenient to

6. Under no circumstance _____ to tell lies to parents.

　　 A. children are allowed 　　　　 B. are children allowed

　　 C. children will allow 　　　　 D. will children allow

5. The professor said he could talk on _____ interested the audience.

　　 A. any topic 　 　　　　　　　　 B. which topic

　　 C. whichever topic 　　　　　　 D. the topic he thought it

4.It _____ quite a few years _____ the accused was declared innocent and set free.

　　 A. was; since 　 B. is; that 　　 C. will be; when 　 D. was; before