12. He must ___ a shower, for I can hear the water____. A. have; run　 B. be having; run

　　　 C. have; running　　　　　 D. be having; running

11. We wrote a letter of thanks to ___ had helped us in the past ten years.

A. who　 B. whom　 C. whoever　　 D. whomever

10. ----Our guests are coming from Shanghai at 10:30. We’d better go to meet them at the airport.

　　 ----Oh, I ____ it ___ 1:00.　 A. think; is　 B. thought; was

　　 C. have thought; will be　　　　　 D. had thought; would have been

9. ----Shall we go swimming?　 ---OK, I’ll just go and get ___.　

　　 A. to change　　 B. to be changed　　 C. changed　　　　　　 D. changing

8. In China, ___ bicycle is ____ popular means of transportation at present, but some years later it is quite different.　 A. the; a　 B. a; x　 C. the; the　 D. a; the

7. ----________ I go there, too?　 ----No, you____.

　　 A. Must; can’t　 B. Need; mustn’t　 C. Can; needn’t　 D. Must; don’t have to

6. One should keep _____ in time of danger.　 A. quiet　 B. calm　 C. still　 D. silent

25. ----I don’t like chicken ___ fish.　

　　 ----I don’t like chicken, ___ I like fish very much.　

　　 A. and; and　 B. and; but　 C. or; but　 D. or; and

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24. ----Hello. May I speak to Mr. Crossette?　 -----Yes. _____.

A. My name’s Crossette B. I am Crossette　　 C. This is Crossette speaking　 D. Crossette is me　　　

23. Many people know that Ben Franklin’s kite experiment helped to prove that lightning is electricity. Kites have been used for scientific purposes since ___ for testing weather conditions, etc.

　 A. middle 1700’s　 B. the middle 1700’s　 C. middle the 1700’s　 D. a middle 1700’s