1. _____he felt tired, ____ he still went on working.

　　A. Because, so B. Although, but C. / , so D. Though, /

　　2. I'll offer some bread to Li Ming. Li Ming,____, may not want it.

　　A . but B . however C . yet D. still

　　3. ___ I looked for my toy, I could not find it.

　　A.But B. Yet C. Because D. However

　　4. I don't know _______ this evening.

　　A. if he will be free B. whether he is free C . when he is free D. when is he free

　　5. There's ______ on the moon.

　　A . no air but water B. not any air or water C . not any air and water D. no air or no water

　　6. Lucy has seen the film , _______ Lily hasn't.

　　7. Hurry up , _______ we will miss the trian .

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

　　8. —I'm going to Hangzhou for a holiday this weekend .

　　— _______ you are there , can you buy me some green tea?

　　A. Because B. While C. If D. Though

　　9. _______ he was out of the room , he turned back and knocked at the teacher's door again.

　　A. Before B. Since C. As soon as D. Until

　　10. Study hard , _______ you're sure to have a good result in the exam!

　　A. but B. and C. for D. or

　　参考答案：D、B、D、A、B、C、C、B、C、B

（责任编辑：尚宏）