Their dialogue was so funny that we all () laughter.
A. broke into
B. broke up
C. broke away
D. broke out

出自:国家开放大学管理会计案例

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块