8. There’s no light on; they _____ be at home.A．can’tB．mustn’tC．needn’tD．shouldn

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8. There’s no light on; they _____ be at home.

A．can’t

B．mustn’t

C．needn’t

D．shouldn’t

答案

解析

略

举一反三

20. When a stick is partly in a glass of water, it looks ________ it were broken.

A．even though

B．although

C．as if

D．so that

题型：不详难度：| 查看答案

The weather turned out to be fine yesterday．You __the trouble to carry your raincoat with you．

A．should have taken	B．mustn’t have taken
C．could have taken	D．needn’t have taken

题型：不详难度：| 查看答案

This is her only request that the room ______ after being used.

A．be cleaned

B．is cleaned

C．will be cleaned

D．would be cleaned

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This book ______ Tom’s father’s, because his name is on the book.

A．maybe

B．may be

C．must be

D．must

题型：不详难度：| 查看答案

—She looks very happy. She ______ have passed the exam.
--I guess so. It’s not difficult after all.

A．should

B．could

C．must

D．might

题型：不详难度：| 查看答案