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Teaching is a difficult job ______ requires great skill and patience.

A.which B.where

C.who D.why

 

A

【解析】

试题分析:句意:教学是一个很难的工作,要求很高的能力和耐心。这里需要定语从句修饰先行词a difficult job,定语从句中缺少主语,用which引导定语从句。选A。

考点:考查定语从句

 

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