当前学科:公共课
  • 题目: 未知类型
    “____your best It's not satisfactory. I'm afraid you will have to do it again.”

      A.Do you try

      B.Have you tried

      C.Are you trying

      D.Have you been trying

    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