当前学科:大学英语(1)
  • 题目: 未知类型
    I don't know whether you happen____________, but I am going to study in the U.S.A this September.

      A、 to be heard

      B、 to be hearing

      C、 to hear

      D、 to have heard

    答案: <查看本题扣1积分>

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