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asihurriedtothestation,thetrainA.wasleavingB.hadleftC.leftDhadbeenleft

题目详情
as i hurried to the station,the train______ A.was leaving B.had left C.left D had been left
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答案和解析
B 过去完成时.当我到达车站时,火车已经开走了.过去的过去.