3.The singer hasn’t performed in public for over 5 years. ___, she is very popular with young people.

A.But　　　　　　　　　　 B.still　　　　　　　　　　　　　 C.Otherwise　　　　　　　　　 D.Therefore

2.Could you ___ this 10-dollar bill so I can make a phone call?

A.divide　　　　　　　　　 B.tear　　　　　　　　　　　　　 C.break　　　　　　　　　　　　 D.cut

1.This is our contribution to ___ world of the 21^st century, ___ world of independence and multual understanding.

A.the;/　　　　　　　　　　 B./;a　　　　　　　　　　　　　　 C.a;the　　　　　　　　　　　　 D.the;a

20. -George is a wise person. -But in my opinion,he is___but polite.

A. cleverer　　　 B. braver　　　 C. more　 brave　 D. less　 brave

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19. -Would you tell me____you want you tea, with sugar or milk?-Sugar, please.

A. whether　　　 B. when　　　 C. what　 　　　D. how

18. -How many people are still leading____life under____poverty line in the world? -Perhaps one　 fourth.

A. the; 不填　　 B. a; the　　　　 C. a; a　　　　 D. 不填; 不填

17. ____on the top of the mountain is an ancient tower dating back to hundreds of years ago.

A. To　 stand　 　B. Having stood　　 C. Standing　 　D. Stand

16. -Where is Tom? -Well,he___you____here.Otherwise he would come down right now.

A. didn’t know; were　 B. hasn’t　 known; are　 C. doesn’t know; are　 D. hadn’t　 known; were

15. The customer didn’t choose___of the ties and went away without looking at a third one.

A. many　　　　 B. any　　　　 C. all　　　 D. either

14. Ten minutes earlier______we could have avoided the accideng.

A. or　　　　　 B. but　　　　　 C. so　　　 D. and