Question

【题目】The policeman asked us cross the road when the traffic lights are red.

A. to B. don't C. not to D. don't to

Answer 1

【答案】C

【解析】句意：当交通信号灯是红灯的时候，警察叫我们不要过马路。短语ask sb. (not) to do sth.：让某人（不）做某事；结合句意和语境可知选C。