She _______ have left school, for her bike is still there.A．can’tB．wouldn’tC．sho

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She _______ have left school, for her bike is still there.

A．can’t

B．wouldn’t

C．shouldn’t

D．needn’t

答案

解析

略

举一反三

. ---The train hasn’t come yet. It is half an hour late.
--- Yes. It __________ here at 2:02 as scheduled.

A．must have been

B．should be

C．should have been

D．must be

题型：不详难度：| 查看答案

The light is still on. He _____ to turn it off when he _____ the room.

A．may forget: leave	B．must have forgotten : left
C．may forget : have left	D．could have forgotten : left

题型：不详难度：| 查看答案

. If the water hadn’t been drained out of the mine, no miners _______ alive now.

A．will be

B．would have been

C．would be

D．have been

题型：不详难度：| 查看答案

He ________ the window of our classroom yesterday because he didn’t come to school．

A．mustn’t have broken	B．mightn’t have broken
C．shouldn’t have broken	D．couldn’t have broken

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．—Margaret ______ stay at home all day long in front of the TV.
—That’ s right．She ought to go to the fitness center with us.

A．couldn’t

B．mustn’t

C．needn’t

D．shouldn’t

题型：不详难度：| 查看答案