Assoonastheteachercamein,theboysstopped_
题型:选择题
问题:
As soon as the teacher came in, the boys stopped ____. [ ]
A. laugh
B. to laugh
C. laughing
D. laughed
As soon as the teacher came in, the boys stopped ____. [ ]
A. laugh
B. to laugh
C. laughing
D. laughed