21. －－Please write to me when you get home.

　　 －－_______.

　　 A. I do 　　　　　　　　 B. I will

　　 C. I can 　　　　　　　 D. I have

20. He wrote many interesting novels, some _______ you will read some day.

　　 A. in which　　　　　　　　　 B. of which

　　 C. what　　　　　　　　　　　　 D. that

19. －－I’m sorry I lost your dictionary.

　　 －－Oh, really? _______.

　　 A. Don’t be sorry　　　　　　　　 B. I don’t care

　　 C. It’s OK with me　　　　　　　 D. It doesn’t matter

18. The company is in a poor financial (金融的)_______.

　　 A. affair　　　　　　　　 B. business

　　 C. problem　　　　　　 D. situation

17. ______ you study hard, you will not pass the examination.

　　 A. If　　　　　　　　　　 B. As

　　 C. Whether　　 D. Unless

16. He often helps the students _______ he thinks are not quick at their study.

　　 A. whom　　　　　　　 B. who

　　 C. whose　　　　　　　 D. which

15. More than 70% people _______ in traffic accidents in the past few years.

　　 A. killed　　　　　　　　 B. are killed

　　 C. were killed　　　　 D. have been killed

14. I _____ an old friend in the bookstore yesterday. We haven’t seen each other for more than twenty years.

　　 A. came back　　　　　　　　 B. came across

　 　C. came back　　　　　　　　 D. came up

13. We go to bed before ten, _______ in the summer because it is too hot.

　　 A. except　　　　　　　 B. except that

　　 C. besides　　　　　　　 D. except for

12. －－I haven’t seen Kate for 3 years.

　　 －－__________.

　　 A. So do I 　　　　　　　　　 B. So haven’t I

　　 C. Nor have I 　　　　　　　　　　 D. Nor haven’t I