问题 选择题

It is in this laboratory ______ is run by Mr. Wu ______ the experiments are done.

A.which; that

B.that; which

C.where; that

D.that; where

答案

A

题目分析:考查定语从句和强调句型.第一空which引导定语从句which is run by Mr. Wu修饰先行词this laboratory.第二空that与it is构成强调句型。句意:就是在吴先生管理的这个实验室里,这个实验被做的。故A正确。

点评:短语从句的重点在于分析句子成分。强调句型的重点在于找到被强调的成分。

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