【题目】—These little kids have learned perfect table manners, haven’t they?
—Yes. They are accustomed _________ at meals.
A.not to talkB.to not talkC.not to talkingD.to not talking
在线课程【答案】D
【解析】
考查动名词。句意：---这些小孩子已经学会了餐桌礼仪，是吗？---是的。他们习惯于吃饭时不说话。be accustomed to doing sth“习惯于做某事”。动名词的否定式是not置于动名词之前，故选D项。