问题标题:
DidyouswimacrosstheriverHaveyouswamacrosstheriver?这两句话有什么区别
问题描述:
DidyouswimacrosstheriverHaveyouswamacrosstheriver?这两句话有什么区别
倪远平回答:
Didyouswimacrosstheriver-----强调“当时”是否游过河了
Haveyouswumacrosstheriver?-----强调到“目前为止”是否有过游过河这样的经历
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