问题
选择题
—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
答案
答案：D
题目分析：句意：上文，他们很安静，不是吗？下文，是的，他们习惯在吃饭的时候不说话。Be accustomed to not doing sth.是固定用法，意思是不习惯…… ，选D。