◎ 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 talkB.to not talkC.to talkingD.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。