—Look at the sign! —Oh, I see.We _______ waste water.A．canB．mustC．mustn’tD．needn

题型：不详难度：来源：

—Look at the sign!
—Oh, I see.We _______ waste water.

A．can

B．must

C．mustn’t

D．needn’t

答案

解析

情态动词的用法。根据标志可知为禁止浪费水的标志。表示禁止命令用must. 因此选C。

举一反三

This school is different others. It has many out-of-class activities.

A．off

B．from

C．of

D．for

题型：不详难度：| 查看答案

We"d better wait more minutes. I think Jeff will come soon,

A．a few

B．few

C．a little

D．little

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You eat the soup if you don"t like it.

A．shouldn"t

B．mustn"t

C．needn"t

D．can"t

题型：不详难度：| 查看答案

The Spring Festival in January or February.

A．celebrates

B．is celebrated

C．celebrated

D．was celebrated

题型：不详难度：| 查看答案

—Oil is everywhere in this store, so you know smoking is forbidden here.
—I’m sorry.
A. can B. may C. must

题型：不详难度：| 查看答案