当前学科:未知科目
  • 题目: 选择题
    My friend, who ______ on the International Olympic Committee all his life, is retiring next month.

    • A. had served
    • B. served
    • C. is serving
    • D. has served

    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