He must have known the truth yesterday, _________?A．haven’t youB．didn’t youC．hav

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He must have known the truth yesterday, _________?

A．haven’t you

B．didn’t you

C．have you

D．did you

答案

解析

试题分析：考查反意问句：句意：他昨天一定知道真相了，是吗？前面的简单句是用must have done表示推测，反意问句要根据时间判断，如果有具体的过去时间，就用一般过去式，如果没有具体的过去时间，就用现在完成时，排除AC项，因为前面肯定，所以问句是否定，选B。

举一反三

I told you the other day that Tom had agreed with your idea, ____________?

A．hadn’t he

B．didn’t he

C．did I

D．didn’t I

题型：不详难度：| 查看答案

I"m sure you"d rather she went to school by bus，？

A．hadn"t you	B．wouldn"t you
C．aren"t I	D．didn"t she

题型：不详难度：| 查看答案

You must have read about Mark Twain long ago, ____?

A．mustn’t you	B．haven’t you
C．didn’t you	D．needn’t you

题型：不详难度：| 查看答案

We hardly believe the news is true,________

A．do we

B．don’t we

C．is it

D．isn’t it

题型：不详难度：| 查看答案

---I don’t think your children could have been used to the quick pace of life while working in Shenzhen, _____they?
---_____. They thought of returning to Changchun.

A．had ; Yes

B．do ; Yes

C．have ; No.

D．were ; No

题型：不详难度：| 查看答案