15. ---- Catherine, I have cleaned the room for you.

----- Thanks, you __________it . I could manage it myself.

A. needn’t do　　 B. needn’t have done　

　 C. mustn’t do　　 D. shouldn’t have done

14. Every possible means _______to prevent the air pollution, but the sky is still not clear.

A. are being used　　 B. have been used　　　　

C. has been used　　　 D. had been used

13. He’s _______ to fail the exam if he doesn’t do any revision.

　 A. near　 B. fit　 C. bound　 D. easy

12. We thought of asking him for help, but we were ______ to get in touch with him at that time.

　 A. happy　 B. anxious　 C. easy　 D. unable

11. One of the men held the view ____ the book said was right.

A. what that　　 B. what 　C. that　　 D. that　 what

10. He is a cutler(刀具商)--­­­_____, a man who sells knives and sharp tools.

　 A. in conclusion　 B. in general　 C. what’s more　 D. that is to say

9. His hard work paid ____ when he got the result.

　 A. off　 B. over　 C. out　 D. back

8. Are you suggesting that I _____ too old for the job?

　 A. am　 B. should be　 C. be　 D. was

7. Seeing your picture, I couldn’t resist _____ the days _____ we spent together.

　 A. to think of; when　 B. to think of; which　

C. thinking of; which　 D. thinking of; when

6. Opening the book, she found in it a white, plain envelope with her name ______ on it.

　 A. to print　 B. printed　 C. printing　 D. print