24.(　 ) The basketball team left for Beijing ____ the night of September 23, 2007.

　　　 A. at　　 B. in　　 C. on　　 D. by

23.(　 ) ____ important information they have told us!

　　　 A. How　　 B. What　 C. How an　 D. What an

22.(　 ) It is raining heavily outside. You’d better ____ out now.

　　　 A. don’t go　 B. not to go　　 C. won’t go　　 D. not go

21.(　 ) I haven’t seen you for a long time. You look ____ than before.

　　 　A. health　　 B. healthy　　 C. more healthy　　 D. much healthier

20.(　 ) –Must we move to the next room?

　 　　--No, you ____. You may still live here if you like.

　　 　A. mustn’t　 B. don’t have to　　 C. don’t　　 D. won’t

19.(　 ) Do you enjoy ____ music?

　　　 A. listening　　 B. listen　 C. listening to　　 D. to listen to