Question

It was in the lab ________ was taken charge of by MR. Harris ________ they did t

It was in the lab ________ was taken charge of by MR. Harris ________ they did the experiment.
A. which; that
B. that; which
C. which; where
D. that; who

Answer 1

答案A
本题考查定语从句和强调句型的区分。前项应填关系代词which或that引导定语从句，因为要在引导的从句中做主语；而后项要填that构成强调结构，本句意思为“是在Harris先生负责的那个实验室里他们做了那个试验”。