When she heard the news, she .A.burst into laughingB.burst into laughterC.burst
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When she heard the news, she ________.
A.burst into laughing
B.burst into laughter
C.burst out laughing
D.burst out into laughing
试题答案
B
解析：burst into+n．＝burst out+v．-ing．句意：她听到新闻后，笑了起来．