问题
选择题
Hearing the interesting story, all the people present_______.
A．burst into laughing
B．burst into laughter
C．burst out laugh
D．burst out laughter
答案
答案：B
题目分析：句意：听到有趣的故事，所有在场的人都突然笑起来了。词组“突然笑起来”可以是burst into laughter也可以是burst out laughing，所以选B。