You _____ pay too much attention to your reading skill, as it is so important.A．

题型：不详难度：来源：

You _____ pay too much attention to your reading skill, as it is so important.

A．cannot

B．should

C．must

D．needn’t

答案

解析

情态动词can的惯用法。can’t be too…表示“再…也不过分”。

举一反三

As is natural, a man as old as he ______ be very forgetful.

A．can

B．must

C．should

D．would

题型：不详难度：| 查看答案

—The poor people lived near the highway.

—_____ very noisy.

A．It must have been

B．They must be

C．That might be

D．There must be

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He _____ his parents that he has failed in the exam.

A．dares not tell

B．dares not telling

C．dare not tell

D．dares not to tell

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Messages ______ be changed from sound into electricity before they ______ be sent by radio.

A．must; will

B．have to; can

C．can; must

D．need; may

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The whole building _____ burned down, but the heavy rain _____.

A．might have; would help	B．could have been; helped	C．must have; helped
D．should have been; was helping

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