问题
选择题
They _________ laughing when they heard his funny voice.
A．burst out
B．fell about
C．felt about
D．burst into
答案
答案：A
考查词组：burst out laughing突然笑起来，句意是：当听到他滑稽的声音，他突然笑起来。选A。
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They _________ laughing when they heard his funny voice.
A．burst out
B．fell about
C．felt about
D．burst into
答案：A
考查词组：burst out laughing突然笑起来，句意是：当听到他滑稽的声音，他突然笑起来。选A。