The light is out. Mr. Neat ___ to bed already.A．may goB．must goC．must be goingD．

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The light is out. Mr. Neat ___ to bed already.

A．may go

B．must go

C．must be going

D．must have gone

答案

解析

略

举一反三

8．－This is a gas station! And you_________know smoking is forbidden here.
－Oh, terribly sorry.

A．will

B．can

C．may

D．Must

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34．Take the lift to the eighth floor and turn right. You_______have any trouble finding my office.

A．needn’t

B．mustn’t

C．don’t

D．shouldn’t

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the situation become worse, call me at once.

A．Must

B．Need

C．May

D．Should

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“Must I do the work right now, Mom?” “No, you ___. You may do it tomorrow.”

A．mustn’t

B．must

C．needn’t

D．shouldn’t

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When he lived in the countryside, he ___ get up early.

A．used

B．would

C．use

D．should

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