---Theyarequiet,aren’tthey? ---yes.Theyareaccustomed

問題詳情：

 ---They are quiet, aren’t they?

 ---yes. They are accustomed ____at meals.

A. to talking     B. to not talking      C. to not talk    D. to talk

【回答】

B

知識點：介詞

題型：選擇題