练习册

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

    一Look! How dirty the river is!

    一It        clean before the factory was built nearby．

    A．used to be    B．will be                 C．has been         D．is

    1、A

    请在这里输入关键词：
    相关习题

    科目：初中英语 来源： 题型：

    一Look! How dirty the river is!

    一It        clean before the factory was built nearby．

    A．used to be    B．will be                 C．has been         D．is

    查看答案和解析>>


    同步练习册答案