A brilliant idea occurred to him, ___ to his research in the lab.A．while devotin

题干

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

上一题下一题 0.85难度单项选择更新时间:2010-06-07 07:28:05

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