◎ 题干
The time he has devoted in the past years _______ the homeless is now considered _________ of great value.
A.to help; beingB.to helping; to beC.to help; to beD.helping; being
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“The time he has devoted in the past years _______ the homeless is now considered _________ of great value.A.to help; beingB.to helping; to beC.to help; to be…”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。