It was in the lab, ________ was taken charge of by Professor Curie, _______ they
题型：不详难度：来源：
It was in the lab, ________ was taken charge of by Professor Curie, _______ they did the experiment.| A．where; that | B．that; that | C．which; that | D．which; where |
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答案
| C |
解析
| 第一空考查非限制性定语从句，先行词为the lab，从句中缺少主语，所以用which，第二空是强调句型，用that是强调句型的标志。句意：就是在由居里教授负责的实验室里，他们做得试验。所以选C。 |
举一反三
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