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We laugh at jokes, but seldom about how they work.( ) A. we think B. think we C.

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We laugh at jokes, but seldom about how they work.( ) A. we think B. think we C.

We laugh at jokes, but seldom _______ about how they work.( )

A. we think  B. think we  C. we do think  D. do we think 

 

试题答案

D