_____to his research work, the professor cared little about any other things．A．D_刷题宝

题干

_____to his research work, the professor cared little about any other things．

A．Devoting

B．Devoted

C．Having devoted

D．To devote

上一题下一题 0.64难度单项选择更新时间:2012-12-26 10:47:50

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