－Mary didn’t turn up last time, did she?－No. She ______ . We had changed our pla

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－Mary didn’t turn up last time, did she?
－No. She ______ . We had changed our plan.

A．shouldn’t have come	B．needn’t have to come
C．didn’t need to come	D．needn’t have come

答案

解析

略

举一反三

. I ______ pay Tom a visit, but I am not sure whether I will have time this Sunday.

A．should

B．might

C．would

D．could

题型：不详难度：| 查看答案

It is necessary that a college student ______at least a foreign language.

A．masters

B．should master

C．mastered

D．will master

题型：不详难度：| 查看答案

You ________ tell anybody else about it; this is a secret between us.

A．don’t

B．needn’t

C．mustn’t

D．won’t

题型：不详难度：| 查看答案

You’ll have plenty of time tomorrow, so you work too late tonight．

A．don’t have to

B．mustn’t

C．cannot

D．shouldn"t

题型：不详难度：| 查看答案

The doctor suggested he ______.

A．not smoke

B．don’ t smoke

C．doesn’t smoke

D．no smoke

题型：不详难度：| 查看答案