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He has a good knowledge of electricity, helps him a lot in his work. A. that B.

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He has a good knowledge of electricity, helps him a lot in his work. A. that B.

He has agood knowledge of electricity, ______helps him a lot in his work.

A.that  B.who

C.when  D.which

 

试题答案

答案：D

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定语从句中关系代词的用法

 

标签：electricityofhimhelpshas

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