---Where’s Lucy? ---I’m not sure. She ________ in the school library. A．mayb

题型：不详难度：来源：

---Where’s Lucy?
---I’m not sure. She ________ in the school library.

A．maybe

B．must be

C．may be

D．will be

答案

解析

may be表示把握性不大的推测，must be是肯定性推测，根据句意选C

举一反三

The man ______ be my father. My father is much taller.

A．can

B．must

C．can"t

D．mustn"t

题型：不详难度：| 查看答案

If the green light doesn’t come on, you ______ go across the street.

A．must

B．needn’t

C．mustn’t

D．have to

题型：不详难度：| 查看答案

Boys, you ______ be sitting in this room. It is for your teachers only.

A．shouldn’t	B．don’t have to
C．won’t	D．needn’t

题型：不详难度：| 查看答案

The teacher says we _____read ______ comic books.

A．mustn’t, much too	B．can’t, much too
C．may not, too many	D．shouldn’t, too many

题型：不详难度：| 查看答案

—Shall I tell you about it? —No, you _______. Sandy has told me already.

A．won’t

B．mustn’t

C．needn’t

D．can’t

题型：不详难度：| 查看答案