27.-- You haven't lost the ticket, have you?

-- _________. I know it's not easy to get another one at the moment.

　　　 A. I hope not 　　　 B. Yes, I have 　　 C. I hope so　　　　 D. Yes, I’m afraid so

26.--- I don't mind telling you what I know.

　 --- You　　　　　　 . I'm not asking you for it.

　　　 A. mustn't　　　　 　　 B. may not　　　 　　　 C. can't 　　　 D. needn’t

25. Tom was away from school for a month, so now he’s got to work hard to ________ his classmates

A. catch up with　　 B　 keep up with　 C.　 catch up　　 D.　 keep up　　

24. Do you still remember the chicken farm 　　　　　we visited three months ago?

A. where　　　　　　 B. when　　　　　 C. that　　　　　　 D. what

23. It is almost five years　 　　　　　we saw each other last time.

A. before　　　　　　 B. since　　　　　 C. after　　　　　　 D. when

22. After a fire broke out in the lab, a lot of equipment 　　　　.

A. is damaged　　　　　　　　　 B. had damaged

C. damaged　　　　　　　　　　 D. was damaged

21. When Mark opened the door, he saw a woman standing there. He　　　 her before.

A. never saw　　　　　　　　　　　 B. had never seen

C. never sees　　　　　　　　　　　　 D. has never seen

20．As everyone knows, it ________ a great deal to live in such cities as Hong Kong, Paris and New York.

A. takes　　 B. costs　　　　C. spends　　　 D. pays

19．I ________ her voice on the phone yesterday though we haven't seen each other for ten years.

A. knew　　 B. heard　　　 　C. recognized　　D. realized

18．I can't pay for all these books. They are　________expensive for me.

A. very　　B. too　　　 　C. so　　　　 D. much