练习册

  • 练习册
  • 试题
    I was walking along the river I heard a cry for help. A.while B.since C.when D.as 【查看更多】

     

    题目列表(包括答案和解析)

    I was walking along the river ________ I heard a cry for help．

    [　　]

    A．while

    B．since

    C．when

    D．as

    查看答案和解析>>


    同步练习册答案