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They were dancing when they heard the bell的问句是什么?

来源:学生作业帮 编辑:拍题作业网作业帮 分类:英语作业 时间:2024/04/26 05:59:10
They were dancing when they heard the bell的问句是什么?
What were they doing when they heard the bell?(问他们在干吗)
或者:
What happened when they were dancing?(问他们跳舞时发生了什么)
What did they hear when they were dancing?(问他们跳舞时听到了什么)
What did they hear while dancing?(同上)
总之要根据问话人的目的.