跟踪练习

I. 单项填空：

1. Write in simple English in order that everybody ______ understand you.

A. may B. must C. should D. will

2. You _______ miss the lecture, though you ______ have it.

A. mustn't; needn't B. needn't; mustn't C. mustn't; mustn't D. can't; needn't

3. --- Better not have the operation right now.

--- ________.

A. I mustn't B. I shouldn't C. I won't D. I can't

4. The train was ten minutes late, so I ______ have run all the way from my house to the station.

A. couldn't B. shouldn't C. needn't D. mustn't

5. I'm not going simply because I don't see why I _______.

A. will B. would C. should D. shall

6. --- It must be Mr. Li who did it.

--- No, it _____ be Mr. Li.

A. mustn't B. can't C. wouldn't D. may

7. --- It's getting cloudier and cloudier.

--- Yes, I'm afraid it ______ be raining soon.

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

8. I promised to get there before 5 o'clock, but now the rain is pouring down. They _____ for me impatiently.

A. mat wait B. ought to wait C. could wait D. must be waiting

9. --- ______ you make so much noise?

--- Sorry, I'll take care not to.

A. Must; B. Can C. May D. Would

10. On Sundays when I was a child, Father and I _____ get up early and go fishing.

A. could B. would C. might D. should

11. I ______ have written to him because he phoned me shortly afterwards.

A. ought to B. must C. couldn't D. needn't

12. --- _____ the plane have taken off on time?

--- I'm afraid not. The fog was too thick then.

A. Need B. Should C. Can D. Must

13. This looks like a different kind of stone. What _____ we do with it?

A. will B. shall C. would D. do

14. He has much money at the beginning of every month, but by the end of it he _____ little left.

A. can have B. will have C. should have D. need have

How _______ you say that you really understand the whole story if you have finished only part of the article?