问题 选择题

We laugh at jokes,but seldom____________about how they work.

A.we think

B.think we

C.we do think

D.do we think

答案

答案:D

考查倒装。句中否定词seldom放在句首,主句的主谓用倒装结构,故选D。句意:笑话我们都笑了,但我们很少考虑他们是怎么奏效的。

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