问题
选择题
I ______ laughing when my daughter made a face.
A．burst out
B．burst into
C．burst upon
D．burst on
答案
答案：A
题目分析：考查固定结构。固定词组：突然大笑burst into laughter ="burst" out laughing.故本题A正确。
点评：固定词组：突然大笑burst into laughter ="burst" out laughing