12. But for your help, I_____________the exam.A．mustn’t have passedB．couldn’t pa

题型：不详难度：来源：

12. But for your help, I_____________the exam.

A．mustn’t have passed

B．couldn’t pass

C．wouldn’t have passed

D．hadn’t passed

答案

解析

略

举一反三

3．--- Will Helen get disappointed if I tell her she failed?
--- I think she__________.

A．may

B．has to

C．should

D．Need

题型：不详难度：| 查看答案

It has been announced that candidates _____ remain in their seats until all the papers have been collected.

A．can

B．will

C．may

D．shall

题型：不详难度：| 查看答案

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

A．can

B．must

C．need

D．may

题型：不详难度：| 查看答案

You _____ to eat if you don’t feel like it.

A．needn’t

B．mustn’t

C．don’t have

D．haven’t

题型：不详难度：| 查看答案

A computer _____ think for itself; it must be told what to do.

A．can’t

B．wouldn’t

C．mustn’t

D．may not

题型：不详难度：| 查看答案