题目内容

______himself to his research on the IT technology, he soon made a breakthrough.
A．DevotedB．DevotingC．DevoteD．To devote
B

试题分析：考查现在分词做状语，句意：因为致力于IT技术的研究，他很快就有了突破。Devote oneself to doing致力于做…,he和devote是主动关系，用现在分词做状语。选B。
点评：现在分词还是过去分词做状语主要取决于动词和逻辑主语的关系：如果动词和逻辑主语是被动关系，用过去分词，如果动词和逻辑主语是主动关系，用现在分词。这题要注意，如果没有himself，就应该选A。
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