——Hi, Mike．Any idea where Mary is? ——She ____ in the classroom．I saw her there j

题型：不详难度：来源：

——Hi, Mike．Any idea where Mary is?
——She ____ in the classroom．I saw her there just now.

A．shall be	B．should have been
C．must be	D．might have been

答案

解析

本题考查情态动词。考must对现在情况的推测。

举一反三

---- Where will you start your work after graduation, in the south or in the north?
---- Mm, it’s not been decided yet. I _____ continue my study for a higher degree.

A．need

B．must

C．would

D．might

题型：不详难度：| 查看答案

As it turned out to be a small house party, we _______ so formally.

A．needn’t dress up	B．didn’t have to dress up
C．might not have dressed up	D．needn’t have dressed up

题型：不详难度：| 查看答案

----Will Mr. Smith join us in the party ?
----He would, but he _____not . He sometimes likes to stay alone.
A must B can C need D may

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.We were all waiting for you .You _____for the seaside by yourself without leaving a message.

A．mustn’t leave

B．shouldn’t have left

C．couldn’t have left

D．needn’t leave

题型：不详难度：| 查看答案

She is late. What _____have happened to her?
A should B must C can D would

题型：不详难度：| 查看答案