练习册

  • 练习册
  • 试题
    精英家教网 > 高中英语 > 题目详情

    18、While building a tube through the mountain,          .

    A．an underground lake was discovered

    B．there was an underground lake discovered

    C．a lake was discovered underground

    D．the workers discovered an underground lake

    18、D

    请在这里输入关键词：
    相关习题

    科目：高中英语 来源： 题型：

    While building a tube through the mountain,          .

    A．an underground lake was discovered

    B．there was an underground lake discovered

    C．a lake was discovered underground

    D．the workers discovered an underground lake

    查看答案和解析>>


    同步练习册答案