---That must be a mistake. ---No, it ___ a mistake.A．must not beB．needn’t beC．c

题型：不详难度：来源：

---That must be a mistake. ---No, it ___ a mistake.

A．must not be

B．needn’t be

C．cannot be

D．may be not

答案

解析

略

举一反三

I hope to ___ more in English in the future.

A．able to write

B．be able write

C．can write

D．be able to write

题型：不详难度：| 查看答案

You ___ wrong .

A．must

B．might be

C．can

D．may

题型：不详难度：| 查看答案

---Must I write it now? ---No, you ___.

A．can"t

B．don’t

C．needn’t

D．won"t

题型：不详难度：| 查看答案

Global warming ________ cause huge climatic changes and possibly a new ice age.

A．is possible to

B．may possible

C．is likely to

D．is maybe to

题型：不详难度：| 查看答案

—That must be a mistake.
　 —No, it _____ a mistake.

A．mustnotbe

B．needn’tbe

C．cannotbe

D．wouldnotbe

题型：不详难度：| 查看答案