—You know that you were driving at 100 kilometers per hour, don’t you?—No, offi

题型：不详难度：来源：

—You know that you were driving at 100 kilometers per hour, don’t you?

—No, officer, I _____ have been. This car can’t do more than 80.

A．mustn’t

B．shouldn’t

C．may not

D．couldn’t

答案

解析

本题考查情态动词的用法。从句意可知那个驾驶员在听了交警对他的控告后作出辩解“这是不可能的，我的车时速超不了80公里”，表示对过去的事做出否定推测用couldn’t have done。

举一反三

—I didn’t see her yesterday.

—Of course, you _____, because she had gone to a trip.

A．can’t

B．may not have

C．can’t have

D．mustn’t have

题型：不详难度：| 查看答案

His homework______, but it _____.

A．needs correcting; needn’t rewriting

B．need be corrected; doesn’t need to be rewriting

C．needs correcting; needn’t be rewritten

D．needs to be corrected; needn’t to be rewritten

题型：不详难度：| 查看答案

--- Why is Jenny still standing there? It’s so cold.

—She _____ for someone.

A．can wait

B．might have waited

C．must be waiting

D．should have waited

题型：不详难度：| 查看答案

-Is there any flight to New York today?

--I think there ____ be, for the weather is too bad.

A mustn’t B may not C shouldn’t D can’t

题型：不详难度：| 查看答案

Tom, you _____ leave all your clothes on the floor like this!

A．wouldn’t

B．mustn’t

C．needn’t

D．may not

题型：不详难度：| 查看答案