The light is still on. He --- out.A．can’t have goneB．mustn’t have goneC．have toD

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The light is still on. He --- out.

A．can’t have gone

B．mustn’t have gone

C．have to

D．ought have gone

答案

解析

略

举一反三

He knew nothing about the matter, but he talked as if he __it.

A．knows

B．knew

C．had known

D．would know

题型：不详难度：| 查看答案

He is one of the boys __ on time.

A．who is

B．who were

C．who are

D．that is

题型：不详难度：| 查看答案

You ______ regret all your life if you drive after you take some wine, I tell you．

A．shall

B．may

C．must

D．can

题型：不详难度：| 查看答案

He is free now, so he ______ go with us, but he hasn’t decided yet.

A．shall

B．must

C．may

D．will

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_______ Tom, we wouldn’t have been late for the last bus.

A．If we didn’t wait for	B．If we haven’t waited for
C．we hadn’t waited for	D．Had we not waited for

题型：不详难度：| 查看答案