当前学科:英语
  • 题目: 未知类型
    By the time he retires John___here for 30 years.

      A.will have been teaching

      B.has taught

      C.has been teaching

      D.has been taught

    答案: <查看本题扣1积分>

    查看答案

    答案不对?请尝试站内搜索