.-----I_____ asleep while I was reading.-------It doesn’t matter.A．should have f

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.-----I_____ asleep while I was reading.
-------It doesn’t matter.

A．should have fallen

B．must have fallen

C．could fall

D．must fall

答案

解析

略

举一反三

..Everyone in the building can hear Tom’s words:“Mother, the window _____.please come to help me.”
A can’t be shut B. will be shut C. doesn’t be shut D. won’t be shut

题型：不详难度：| 查看答案

. Why _____ the car break down just when I was about to start?
A must B can C may D need

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.---You could have asked Mr. Richards for help. He is kind-hearted.
----Yes. But that ____him a whole day.
A would have taken B. had taken C. would take D. would be taken

题型：不详难度：| 查看答案

17．---May I surf the Internet tonight?
--- No, you ______．You must do the exercises．

A．needn’t

B．won’t

C．mustn’t

D．don’t

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20．---I got up at five this morning, I thought it was Friday．
---You _____ so early．It is Sunday today; you don’t have to go to work．

A．mustn’t have got up	B．needn’t have got up
C．needn’t get up	D．mustn’t get up

题型：不详难度：| 查看答案