◎ 题干
— They are quiet, aren't they?
— Yes. They are accustomed _____ at meals.

A. to talk
B. to not talk
C. to talking
D. to not talking
◎ 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“— They are quiet, aren't they? — Yes. They are accustomed _____ at meals. [ ]A. to talk B. to not talk C. to talking D. to not talking …”主要考查了你对  【动名词】  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。