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A brilliant idea occurred to him, to his research in the lab. A．while devoting B

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A brilliant idea occurred to him, to his research in the lab. A．while devoting B

A brilliant idea occurred to him, ______ to his research in the lab.

A．while devoting                                          B．while devoting himself

C．while he was devoted                               D．while devoted

试题答案

C

标签：hishiminresearchidea

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