20．--- Yesterday, it was raining all day, which ruined our holiday.

--- _________!

A. Bad luck　　 B. That’ all right　　 C. What a shame　　 D. Never mind

19. -English has a large vocabulary, hasn’t it?

-Yes. ______more words and expressions and you will find it easier to read and communicate.

　　　 A. To know　　 　 B. Knowing　　　 C. Know　　　　　　　 D. Known

18. She got a scholarship to Oxford but ______ a year later.

　　 A. pulled out　　 B. gave out　 C. took out　　 D. dropped out

17. I was out of town at the time, so I don’t know exactly how it _______.

A. was happening　　 B. happened　　　 C. happens　　　　 D. has happened

16. The government has taken some measures to solve the shortage of electricity, but it may be some time ______ the situation improves.

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

15. He acknowledged ______ , but now he feels well.

　　 A. frightened　　　 B. to be frightened　　 C. having frightened　　 D. having been frightened

14.Every student , if well ______, can pass the exam with no difficulty.

A.being prepared　 B.prepared　 C.preparing　 D.to be prepared

12.----I’m sorry, but I didn’t mean to hurt you.

----Well , you know, you ______to me.

A. shouldn’t have lied　　 B. wouldn’t have lied

C. shouldn’t lie　　　　　 D. wouldn’t lie

13______it rain tomorrow, we would call off the meeting.

A.Should　　　　 B.Would　　　 C.Might　　　 D.Could