18. - Do you know where David is? I couldn’t find him anywhere.

　　　 - Well. He ______　 have gone far-his coat’s still here. (05湖北卷)

　　　 A．shouldn’t　　　 B．mustn’t　 C．can’t　　　 D．wouldn’t　　　

17. --- Tom graduated from college at a very young age.

　 --- Oh, he______ have been a very smart boy then.　 (04全国IV)

　　　 A could　 B should　 C might　 D must

16. You ______ be tired---you’ve only been working for an hour.　 (04全国II)

　　　 A must not　　　 B won’t be　　 C can’t　　 D may not

15. --- Isn’t that Ann’s husband over there?

　 --- No, it______ be him---I’m sure he doesn’t wear glasses.　 (04全国I)

　　　 A can’t　　 B must not　　　 C won’t　 D may not

14. --- Mum, I’ve been studying English since 8 o’clock.. 　　　　I go out and

play with Tom for a while?　　　　　　

--- No, I’m afraid not. Besides, it’s raining outside now.　 (04辽宁)

　　　 A．Can’t 　　 B．Wouldn’t 　　　 C．May not　 　　　 D．Won’t

13. - Excuse me. Is this the right way to the Summer Palace?　

　 - Sorry, I am not sure. But it ________　 be.　 (04湖北)

　　　 A．might 　　　 B．will　　 C．must 　　　 D．can

12. --- Excuse me, but I want to use your computer to type a report.

　 --- You ______ have my computer if you don't take care of it.　 (04湖南)

　　　 A. shan't　 B. might not　　　 　　　 C. needn't　　　 　 D. shouldn't

11. Mr. White _____ at 8:30 for the meeting, but he didn’t’ show up.　 (04广西) A. should have arrived 　　　 　　B. should arrive

　　　 　　 C. should have had arrived　　 　　 D. should be arriving

10. I often see lights in that empty house. Do you think I _____ report it to the police?　 (04广西)　 A. should　　 B. may　　 　　　 C. will　　 　　 D. can

9. --- I’ll tell Mary about her new job tomorrow.　

--- You________ her last week.　 (04福建)

A．ought to tell　　　 B．would have told　　　 C．must tell　 D．should have told