◎ 题干
—It’s meaningful        us to do something for people in need.
—It’s really nice         you to think so.
A.for; ofB.of ; forC.for; forD.of; of
◎ 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“—It’s meaningful us to do something for people in need.—It’s really nice you to think so.A.for; ofB.of ; forC.for; forD.of; of…”主要考查了你对  【介词短语】【介词】  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。