He was taken away by the police. He _________ a very serious crime.A．must be com

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He was taken away by the police. He _________ a very serious crime.

A．must be committed

B．was being committed

C．must commit

D．must have committed

答案

解析

略

举一反三

According to a survey, few children from single-parent families have a hobby and that hobby ______ last for only a year or two.

A．ought

B．must

C．may

D．need

题型：不详难度：| 查看答案

There was plenty of time. She ____ to the station.

A．shouldn’t hurry	B．couldn’t hurry
C．mustn’t have hurried	D．needn’t have hurried.

题型：不详难度：| 查看答案

The ____ expression on his face suggested that he ____ understand what I said.

A．puzzling, should not

B．puzzled, did not

C．puzzle, was not

D．puzzled, not

题型：不详难度：| 查看答案

--- I saw Mr Li at the meeting yesterday.
--- Did you? He ______ have attended, for he had asked for sick leave.

A．needn’t

B．couldn’t

C．shouldn’t

D．mustn’t

题型：不详难度：| 查看答案

Some festivals are held to honour the dead or to satisfy the ancestors, who __________ return either to help or to do harm.

A．must

B．should

C．might

D．shall

题型：不详难度：| 查看答案