题目内容
-- 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 |
D
解析

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题目内容
-- 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 |
D
解析