◎ 题干
It's very important ____ us _____ English well.
A. of …learning
B. for… learning
C. of…to learn
D. for…to learn
◎ 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 very important ____ us _____ English well. [ ]A. of …learning B. for… learning C. of…to learn D. for…to learn …”主要考查了你对  【不定式】【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。