◎ 题干
When he was young, he used to ________ hard at his lessons.
[     ]
A. devote to working               
B. devote himself to work
C. be devoted to work              
D. be devoted to working
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“When he was young, he used to ________ hard at his lessons. [ ]A. devote to workingB. devote himself to workC. be devoted to work D. be devoted to working…”主要考查了你对  【动词短语】【动名词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。