15．---Tom is never late for work. Why is he absent today?---Something ________ t

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15．---Tom is never late for work. Why is he absent today?
---Something ________ to him.

A．must happen	B．should have happened
C．could have happened	D．must have happened

答案

解析

略

举一反三

--- What is the matter with the pen?
--- The ink _______come out.

A．isn’t

B．didn’t

C．don’t

D．won’t

题型：不详难度：| 查看答案

--- _______ he come in or wait outside?
--- Let him in, please.

A．Shall

B．Will

C．Does

D．Has

题型：不详难度：| 查看答案

Sorry I’m late. I ______ have turned off the alarm clock and gone back to sleep again.

A．might

B．should

C．can

D．will

题型：不详难度：| 查看答案

If you had finished your homework yesterday, you _____ home now.

A．will go

B．would go

C．would have gone

D．go

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34．--- I think I’ll give Bob aring.
--- You______you haven’t been in touch with him for ages.

A．will

B．May

C．have to

D．Should

题型：不详难度：| 查看答案