当前学科:公共课
  • 题目: 未知类型
    The water gives up energy and becomes cooler_____the ice receives energy and melts.

      A.when

      B.while

      C.for

      D.because

    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