Question

【题目】The students stopped ________ when the teacher came in.
A.talk
B.to talk
C.talking
D.talked

Answer 1

【答案】C
【解析】句意：当老师进来的时候，学生停止了说话。stop doing sth停止做某事。stop to do sth停下里去做某事。根据句意可知选C。