All the students laughter when David walked into the classroom like Donald Duck.A. broke u

问题补充：

All the students laughter when David walked into the classroom like Donald Duck.

A. broke up

B. broke out

C. burst out

D. burst into

答案：

A. broke up

B. broke out

C. burst out

(答案→)D. burst into

解析：短语辨析。A.分手；结束 B. 爆发战争等 C. 闯出来；摆脱 D. 情绪的突然发作。句意：当戴维德像唐老鸭一样走进教室时，所有的同学们突然大笑起来。故选D。