Hearing the funny speech given by the famous professor,all of us burst into _____.A.laughed B.l
问题描述：
Hearing the funny speech given by the famous professor,all of us burst into _____.A.laughed B.l
A.laughed B.laughter C.laughing D.laugh详解 laugh为可数名词 而laughter为不可数名词,所以选择B.
答
burst into laughter突然大笑
固定短语啦