问题
选择题
I_______ laughing when my son made a face.
A．burst into
B．burst upon
C．burst out
D．burst on
答案
答案：C
考查词组：突然大笑：burst into laughter或burst out laughing，句意是：当我儿子做鬼脸时突然笑起来了。选C。
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I_______ laughing when my son made a face.
A．burst into
B．burst upon
C．burst out
D．burst on
答案：C
考查词组：突然大笑：burst into laughter或burst out laughing，句意是：当我儿子做鬼脸时突然笑起来了。选C。