◎ 题干
It is very kind _____ you to help me with my lessons because it is very difficult _____me to learn them well.
A.of; forB.of; ofC.for;ofD.for; for
◎ 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 is very kind _____ you to help me with my lessons because it is very difficult _____me to learn them well.A.of; forB.of; ofC.for;ofD.for; for…”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。