◎ 题干
The time Dr. Wang has devoted _____ the disabled in the past five years is now considered_____of great value.
A.helping; beingB.helps; to beC.to helping; to beD.to helping; being
◎ 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“ The time Dr. Wang has devoted _____ the disabled in the past five years is now considered_____of great value.A.helping; beingB.helps; to beC.to helping; to…”主要考查了你对  【动词短语】  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。