◎ 题干
—Do you think it necessary ________ us ________ each other?
—Of course, I think so.
[     ]
A. with, to understand
B. with, understanding
C. for, to understand
D. for, understanding
◎ 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“—Do you think it necessary ________ us ________ each other? —Of course, I think so. [ ]A. with, to understand B. with, understanding C. for, to understand D…”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。