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

A.DevotedB.DevotingC.DevoteD.To devote

B

解析试题分析:句意:致力于对IT技术的研究,他很快取得了突破。devote oneself to sth.致力于…在这里做状语,与句子主语he是主动关系,用现在分词。故选B。
考点:考查分词做状语。

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