问题:
When the teacher came in, we _______.
A.stop talking
B.stop to talk
C.stopped talking
D.stopped; to talk
When the teacher came in, we _______.
A.stop talking
B.stop to talk
C.stopped talking
D.stopped; to talk
A.stop talking
B.stop to talk
C.stopped talking
D.stopped; to talk
参考答案: