问题:
Do you know how the teacher made the class _________?
A.stop laugh
B.stop laughing
C.stop to laugh
D.stopping laugh
Do you know how the teacher made the class _________?
A.stop laugh
B.stop laughing
C.stop to laugh
D.stopping laugh
A.stop laugh
B.stop laughing
C.stop to laugh
D.stopping laugh
参考答案: