题目内容
同义句转换
A:There happened to be nobody in the building when the fire broke out.
B:It happened that ________ ________ nobody in the building when the fire broke out.
答案:there,was
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题目内容
同义句转换
A:There happened to be nobody in the building when the fire broke out.
B:It happened that ________ ________ nobody in the building when the fire broke out.