Question

-- 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

Answer 1

D

考查情景交际和固定搭配。“他们很安静，不是吗？”“是的。他们习惯了在吃饭时保持安静。”be accustomed to doing sth.“习惯于做某事”，排除A、B；C“习惯于说话”，与句意不符。动名词的否定是在动名词前加not。故选D。