◎ 题干
_____ to his research, he spared no time to spend a weekend with us.

A. Devoting
B. Devoted
C. Caught
D. Lost
◎ 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“_____ to his research, he spared no time to spend a weekend with us. [ ]A. Devoting B. Devoted C. CaughtD. Lost …”主要考查了你对  【过去分词】  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。