______himself to his research on the IT technology, he soon made a breakthrough._刷题宝

题干

______himself to his research on the IT technology, he soon made a breakthrough.

A．Devoted

B．Devoting

C．Devote

D．To devote

上一题下一题 0.64难度单项选择更新时间:2013-05-08 04:12:19

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