. ---The train hasn’t come yet. It is half an hour late. --- Yes. It __________

题型：不详难度：来源：

. ---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

答案

解析

略

举一反三

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

题型：不详难度：| 查看答案

．—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

Only when ____hard____make your dream come true.

A．do you work, you can	B．you work ,you can
C．do you work , can you	D．you work, canyou

题型：不详难度：| 查看答案