It was in the lab was taken charge of by Professor Black they did the experiment
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It was in the lab ________ was taken charge of by Professor Black ________ they did the experiment.
[]A.that; where
B.which; that
C.whom; that
D.which; where
试题答案
答案:B
解析:在强调句中的in the lab后用了一个定语从句。 |