2. It was common that in _________ people retired in _________ fifties.

A. 1990s; their　　　 B. the 1990s; /　　　 C. 1990s; /　　　 　D. the 1990s; their

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

1.　 ---- May I have a look at the menu first?

　 ---- Of course, __________, sir.

A. don’t worry　　　　　　　 B. it doesn’t matter

C. enjoy yourself　　　　　　 D. take your time

5.　　　 He cried rather than smile.

4.　　　 I would rather die than marry to him.

3.　　　 I found a secret by accident.

2.　　　 If I were you ,I would help him.

1.　　　 Scientists have made a long research for AIDS.

6. competition　　 7. best　　 8. come up with　 9. injured　

1． searching　 2. What if　　 3. down　　 4.　 annoy　 5. plenty of　

19. bother　　 20. company