He ___ be in the garden.He must be in the room.‘A．can"tB．mustn’tC．will notD．may

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He ___ be in the garden.He must be in the room.
‘

A．can"t

B．mustn’t

C．will not

D．may not

答案

解析

否定的推测用can’t,而不用mustn’t.

举一反三

“Do you have to leave now? ” “I’m sorry, but I really ____.”
A. can’t B,have C.should D.must

题型：不详难度：| 查看答案

See who’s there! ____ it be Mary?

A．May

B．Must

C．Can

D．Will

题型：不详难度：| 查看答案

John ___ be a basketball player.He’s much too short.

A．may

B．mustn’t

C．can"t

D．should

题型：不详难度：| 查看答案

My father ______ you a lift, even if he didn’t plan to take that way．

A．must have given	B．might have given
C．should have given	D．can’t have given

题型：不详难度：| 查看答案

—What a great cook your sister is!
—Yeah! We ______ never have enough of her cookies．

A．may

B．must

C．should

D．can

题型：不详难度：| 查看答案