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what were you doing at four o'clock yesterday afternoon?回答用是过去时态还是过去进行时态?为什么?

分类: 作业答案 • 2022-01-02 12:36:25

问题描述：

what were you doing at four o'clock yesterday afternoon?回答用是过去时态还是过去进行时态?为什么?

答