He missed his mother very much and ________ crying.A．can’t helpB．couldn’t help t

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He missed his mother very much and ________ crying.

A．can’t help

B．couldn’t help to

C．couldn’t help

D．couldn’t to help

答案

解析

略

举一反三

The boy suggested that Tom ______ the problem another way, and Tom’s expression suggested that he_________.

A．should solve; agreed

B．solve; agree

C．solved; should agree

D．solved; agreed

题型：不详难度：| 查看答案

---You _________to our Mom like that. It was awfully impolite.
---You are right. I must have been crazy at that moment.

A．mustn’t have talked	B．needn’t have talked
C．shouldn’t have talked	D．may not have talked

题型：不详难度：| 查看答案

--- Congratulations!
---Thank you. If it hadn’t been for your help, we ____ in the experiment.

A．will never succeed	B．wouldn’t have succeeded
C．mustn’t have succeeded	D．can’t have succeeded

题型：不详难度：| 查看答案

My mobile phone disappeared. Where _____ I have left it?

A．may

B．must

C．could

D．should

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—But for your timely warning, we _________ into great trouble.
—Well, you know we’re friends.

A．would get

B．must have got

C．would have got

D．can have got

题型：不详难度：| 查看答案