A computer _____ think for itself; it must be told what to do.A．can’tB．wouldn’tC

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A computer _____ think for itself; it must be told what to do.

A．can’t

B．wouldn’t

C．mustn’t

D．may not

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解析

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举一反三

He _____ more than thirty.

A．mustn’t be

B．shouldn’t be

C．won’t be

D．can’t be

题型：不详难度：| 查看答案

–Did Ken take the job in the bookstore?
–No, but I think he _____.

A．will have

B．may have

C．should have

D．must have

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You _____ across the road without looking round; you _____ down by a car.

A．shouldn’t run, might have been knocked

B．shouldn’t have run, might have been knocked

C．mustn’t run, could have been knocked

D．mustn’t have run, could be knocked

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You _____ the flowers more water so that they can grow well now.

A．would have given	B．might have given
C．must have given	D．should have given

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–We didn’t see Tom at the lecture yesterday.
–He _____ it. He had attended the same lecture before.

A．mustn’t attend	B．can’t have attended
C．would have not attended	D．needn’t have attended

题型：不详难度：| 查看答案