15. We won’t know how much food to buy until we decide how many people ________.

A. were coming　　　　　 B. are coming　　　　　　　　　 C. have been coming　　　 D. had come

14. The crazy fans patiently for two hours, and they would wait till the movie star arrived.

A. were waiting　 　　　 B. had been waiting　　　　 C. had waited　　　　　　　 D. would wait

13. -Why don’t we choose that road to save time? 　

　 -The bridge to it __________. 　

A. has repaired　　　　　　 B. is repaired　　　　　　　　　　 C. is being repaired 　　　 D. will be repaired

12. By the end of last year, another new theme park　 completed in that area.

A. was being　 　　　　　 B. would be　 　　　　　　　　　 C. has been　　　　　　　　　　 D. had been

11. I’m afraid I _____ you with too many questions. Thank you a lot, sir.

A. will bother　　　　　　 B. have to bother 　　　　　　 C. would bother　　　　　　 D. have bothered

10. Sales of CDs have greatly increased since the early 1990s, when people _____to enjoy the advantages of this new technology.

A. begin 　　　　　　　　　 B. began 　　　　　　　　　　　 C. have begun 　　　　　 D. had begun

9. -Betty promised me to come round to keep you company today.

　 - But she _______. I’ve been alone all day.

A. won't 　　　　　　　　　 B. hadn't 　　　　　　　　　　　　 C. hasn't 　　　　　　　　　　　 D. doesn't

8. What do you think the children when we get home?

A. are doing 　　　　　　　 B. will be doing　 　　　　　　 C. do　 　　　　　　　　　　　　 D. have d6ne

7. The telephone _______, but by the time I got indoors, it stopped.

A. had rung　 　　　　　　 B. was ringing　　　　　　　　　 C. rings 　　　　　　　　　　　 D. has rung

6. -Tom，would you please come and help us with the computer at the meeting tomorrow?

　 一I am sorry, but I then.

A. would have class　　　　　　　　　　　　　　　　 B. will be having class

C. was going to have class 　　　　　　　　　　 D. am about to have class