题目内容
It was in this very lab ________ was in the charge of Professor John ________ they did the experiment.
- A.where, that
- B.which, where
- C.that, where
- D.which, that
D
本句是强调句中套了一个which引导的定语从句
本句是强调句中套了一个which引导的定语从句
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