—Are you going to help him?—Why ___ I help him? He" s never done anything for m

题型：不详难度：来源：

—Are you going to help him?
—Why ___ I help him? He" s never done anything for me．

A．would

B．could

C．might

D．should

答案

解析

考查情态动词辨析。根据句意：为什么我应该去帮他？

举一反三

—I didn’t tell him the news.
—Oh, you ought _______.

A．to 　　

B．not to

C．not to have 　

D．to have

题型：不详难度：| 查看答案

—Some countries are taking action to occupy the islands of the South China Sea.
—Yes, but I think they ____be punished sooner or later.

A．could

B．can

C．may

D．shall

题型：不详难度：| 查看答案

Tommy, you____ be hooked on the Internet all day. You may fall behind others in study.

A．mustn’t

B．shan’t

C．can’t

D．needn’t

题型：不详难度：| 查看答案

–Will you read me a story, Mummy?
--OK. You ______have one if you go to bed as soon as possible.

A．might

B．must

C．could

D．shall

题型：不详难度：| 查看答案

--- May I smoke here?
--- If you , choose a seat in the smoking section.

A．should

B．could

C．must

D．may

题型：不详难度：| 查看答案