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I skated for four hours与I have been skating for four hours的区别最好详细点,说的明白点
人气:161 ℃ 时间:2020-03-19 19:03:43
解答
I skated for four hours 过去时,过去的某个时间我滑冰滑了四个小时.
I have been skating for four hours 强调已经,我已经滑了四个小时冰.skating,现在还在继续.
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