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

题型：不详难度：来源：

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

A．must

B．needn’t

C．mustn’t

D．have to

答案

解析

本题根据题意需要的是禁止的意思，故选C

举一反三

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

— Shall we meet at the station at 8 a.m.?
— In fact we _________. The train _________ until 10 a.m..

A．mustn’t; doesn’t leave	B．mustn’t; leaves
C．needn’t; won’t leave	D．needn’t; will leave

题型：不详难度：| 查看答案

——Dad, must I finish my homework today?
------No, you . You may do it tomorrow.

A．needn’t

B．mustn’t

C．don’t

D．won’t

题型：不详难度：| 查看答案