问题描述：
the girl ,with her parents,___when the earthquake hit the city.
A was sleeping B were sleeping 问题中的逗号,逗号的作用是什么?拜托回答具体些哦.
A was sleeping B were sleeping 问题中的逗号,逗号的作用是什么?拜托回答具体些哦.
问题解答：
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