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问题:

By the time I got back to school, the bell had run

选项

  • have already been on

  • had already begun

  • had already been on

  • have already begun

  • ( )4. By the time he arrived at the railway station, the train______.

  • left B. was left

  • has left D. had left

  • 答案:

    A,C,D,F