“ They went to the lecture, but it had been put off.” “ Oh, so they _______.”A．n

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“ They went to the lecture, but it had been put off.” “ Oh, so they _______.”

A．needn’t have gone	B．should have gone
C．mustn’t have gone	D．don’t need to go

答案

解析

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举一反三

“________ I have a glass of beer?” “ No, I’m afraid you ________.”

A．Can’t; can’t

B．Could; won’t

C．May; daren’t

D．Shall; may

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“ Isn’t that Tom playing basketball?” “ It ______ be; he fell off the ladder yesterday and got badly hurt.”

A．mustn’t

B．would rather not

C．couldn’t

D．wouldn’t

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“ Need he go?” “ Yes, he ______.”

A．need

B．can

C．may

D．must

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Tell me how you work out the answer, _______ you?

A．can

B．will

C．don’t

D．shan’t

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You promised your friend a letter; you ought to ______ days ago.

A．write

B．be writing

C．have written

D．be written

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