20. – I wonder if I could use your telephone.

　 – _______.

　 A. I wonder how　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 B. I don’t wonder　　 　　　　　　　

C. Sorry. It’s out of order　 　　　　　　　　　　　　　　　　　　　 D. No wonder, here is it

19. The reporter has written _______ articles about air pollution hoping to call the attention of all people to the problem.

　 A. a series of　　 　　　　 B. a great deal of　　 　　　　 C. a plenty of　　 　　　　　　 D. a large amount of

18. Teenagers _______ their health because they play computer games too much.

　 A. have damaged　　 　 B. are damaging　　 　　　　 C. damaged　　 　　　　 D. will damage　

17. The days _______ we spent together on the farm are not easy _______.

　 A. when; to forget　　　　 B. which; to be forgotten　 　　 C. that; to forget　　　　 D. 不填；to be forgotten

16. It is so nice to hear from her. _______, we last met more than thirty years ago.

　 A. What’s more　 　　　　 B. That is to say　 　　　　　 C. In other words　　 D. Believe it or not

15. When we climbed up the mountain, my legs were so weak that I could _______ stand.

　 A. fairly　　 　　　　　　　　　 B. almost　　 　　　　　　　　　 C. nearly　　 　　　　　　 D. hardly

14. There seems something wrong with my bike. I would like to get it _______.

　 A. repair　 　　　　　　　　　　 B. to repair　　 　　　　　　　　 C. repairing　　 　　　　　 D. repaired

13. – Susan speaks Japanese well because she once lived in Tokyo.

　 – Really? How long _______ there?

　 A. does she stay　　　　　　　　　　 B. is she staying　　 　　　　　 C. has she stayed 　　　　　　 D. did she stay