题文
It was in the lab _______was taken charge of by Professor Harris ________they did the experiment.
| A．which；that |
| B．that；what |
| C．whom；that |
| D．which；where |
推荐试卷
It was in the lab _______was taken charge of by Professor Harris ________they did the experiment.
| A．which；that |
| B．that；what |
| C．whom；that |
| D．which；where |
试题篮
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