.He _____have solved all his probems; otherwise, he wouldn’t be so relaxed.A．sho

题型：不详难度：来源：

.He _____have solved all his probems; otherwise, he wouldn’t be so relaxed.

A．should

B．must

C．wouldn’t

D．can’t

答案

解析

略

举一反三

It is strange that such a thing____ in your school.

A．should happen

B．would happen

C．will happen

D．happened

题型：不详难度：| 查看答案

—Could I have a word with you，mum?
—Oh，dear，if you _____．

A．can

B．must

C．may

D．should

题型：不详难度：| 查看答案

---Listen! The fire engine is roaring! (消防车吼叫)
--- Oh, there ______ be a fire somewhere. How terrible!

A．should

B．must

C．have to

D．will

题型：不详难度：| 查看答案

. You __________ a taxi, for it was only about ten minutes’ walk to the station from the hotel.

A．mustn’t have taken;

B．mightn’t have taken;

C．needn’t have taken;

D．couldn’t have taken;

题型：不详难度：| 查看答案

.Mary is so wet. She _______ in the rain.

A．must be caught	B．must have been caught
C．should have been caught	D．can have been caught

题型：不详难度：| 查看答案