19. A. even though　　 B. only if　　　 C. because　　　 D. unless

18. A. plan　　　　 B. appear　　　 C. work　　　　 D. break

17. A. admired　　 B. complained　　 C. reminded　　 D. predicted

16. A. weak　　　 B. clever　　　 C. hard-working　　 D. good-looking

14.The water was so　　　　 we could see the fish clearly.

　　 A. Stainless　　 B. transparent　　 C. Poisonous　　 D. ambiguous

13、-You made her angry just now..

　 - I know, but I didn't do it　　　　　 .

　　　 A. in advance　　 B. in conclusion

　　　 C. on demand　　 D. on purpose

12.　　 go straight on to university, why not get some work experience first?

　　　 A. Rather than　　　　 B. More than

　　　 C. Other than　　　　 D. Better than

11. -We 'll go camping tomorrow morning, I promise.

　　 -Maybe by then you　　　 your mind.

　　　ged　　　　　　 B. are changing

　　　 C.will have changed　　 D. have changed

10. Soon after the results were announced, our teacher sent us an e-mail, congratulating　　 us　　　　 our success.

　　　 A. for　　　 B. on　　　 C. of　　　 D.with