She______ the film. She knew nothing about it.A．can’t seeB．can’t have seenC．must

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She______ the film. She knew nothing about it.

A．can’t see	B．can’t have seen
C．must see	D．mustn’t have seen

答案

解析

略

举一反三

The traffic light is red, so I _____stop my car.

A．must

B．have to

C．can

D．mustn’t

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—— I can’t get through to the general manager’s office anyhow.
—— The line is busy. Someone _____ the telephone.

A．must use

B．uses

C．must have been using

D．must be using

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------- Now you can see how serious the situation is !
-------- Yes. We _____something before it got so bad .

A．should do

B．must do

C．must have done

D．ought to have done

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-------Come on I wish you wouldn’t go out every night.
-------You _____go out and spoil yourself !

A．must

B．would

C．need

D．should

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--I didn"t tell my parents that I would leave home.
--You ________ when you left home since you are living with them.

A．ought to have

B．might have

C．should

D．must

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