当他们到达扬州火车站时,去北京的火车已经离开半小时了. ___.

发布网友 发布时间:2022-04-24 23:56

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热心网友 时间:2023-10-15 13:15

答案:When they got to Yangzhou railway station,the train to Beijing had been away for half an hour..
首先分析句子的时态和结构:从句"当他们到达扬州火车站时"用一般过去时,主句"去北京的火车已经离开半小时了"则用过去完成时,构成是:主语+had+动词的过去分词;短语"到达扬州火车站"是get to Yangzhou railway station;主句中由于时间状语是for+时间段,所以"离开"要使用be away,因为leave是一个非延续性动词,故答案是:When they got to Yangzhou railway station,the train to Beijing had been away for half an hour.

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