John must have forgotten to return the magazine to the library yesterday, _____

题型：不详难度：来源：

John must have forgotten to return the magazine to the library yesterday, _________?

A．mustn’t he

B．hasn’t he

C．haven’t he

D．didn’t he

答案

解析

考查反意疑问句。句意“约翰昨天一定是忘记把杂志归还图书馆了，不是吗？”must have done“一定做了某事”，表示肯定的推测，反意疑问部分根据事实用相应的时态。根据yesterday可知，用一般过去时。故选D。

举一反三

Chinese must have the largest number of speakers, ________ ?

A．mustn’t that	B．haven’t they
C．don’t they	D．doesn’t it

题型：不详难度：| 查看答案

He must be in the reading-room, _____ he?

A．mustn’t

B．doesn’t

C．needn’t

D．isn’t

题型：不详难度：| 查看答案

Parents must take good care of their children, _____ they?

A．mustn’t

B．don’t

C．needn’t

D．aren’t

题型：不详难度：| 查看答案

You and I could hardly work together, ?

A．could you

B．couldn’t I

C．couldn’t we

D．could we

题型：不详难度：| 查看答案

Most of the students have hardly ever been to the Grand Canyon, __ ?

A．haven’t they

B．have they

C．aren’t they

D．are they

题型：不详难度：| 查看答案