31. --- I will go to your place at 3:00 tomorrow afternoon.

　 --- I’m sorry, but I ______ to Beijing by then.

　 A. am flying　　　　 B. have flown　　　　 C. will have flown　　　 D. will fly

30. If you ______ the chat room ten minutes ago, you _______ what we were talking about.

　 A. have joined ; will know　　　　　　　　 B. had joined ; would have known

　 C. should join ; would know　　　　　　　 D. would join ; have known

29. Americans have something _______ Thanksgiving, a festival which celebrates the first harvest of the settlers who _____ from Europe to the USA.

　 A. calling ; goes　　　 B. calls ; going　　　　 C. which called; gone　 D. called ; went

28. _____ to Beijing, I would visit the Forbidden City where the emperors once lived.

　 A. If should I get　　　 B. If I would get　　　 C. Should I get　　　 D. If I get

27. This is not my car. It _________　 one of my friends.

　 A. is belonged to　　　 B.　 belongs　　　　　 C. belongs to　　　　 D. is belonging to

26. Sang Lan was so seriously injured that she was ______ to a top hospital in New York.

　 A. rushed　　　　　　 B. rushing　　　　　　 C. going　　　　　　 D. gone

25. We were talking and laughing, when our teacher came in and asked us what all the　 ______　 was about.

　 A. excite　　　　　　 B. exciting　　　　　 C. excited　　　　　 D. excitement

24. The elevator _________ and we were trapped inside for half an hour.

　 A. broke off　　　　　 B. broke in　　　　　 C. broke out　　　　 D. broke down

23. --- Jim failed again in the maths examination.

　 --- Don't scold him too much. _____ , he has tried his best.

　 A. After all　　　　　　 B. Above all　　　　 C. At all　　　　　　 D. In all

22. The conference has been held to discuss the effects of tourism ______ the wildlife in the area.

　 A. in　　　　　　　 B. on　　　　　　　 C. at　　　　　　　　　 D. with