Question

【题目】The doctor warned us ______ more fruit and vegetables instead of meat.

A. to eating B. to eat C. eat D. eating

Answer 1

【答案】B

【解析】句意：医生警告我们要多吃水果和蔬菜来代替肉。to eating是介词to后面跟动名词形式；to eat是动词不定式形式；eat吃，动词原形；eating是动名词形式。这句话使用的句型是warn sb. to do sth.警告某人去做某事，故应选B。