练习册

  • 练习册
  • 试题
    I m sorry. I have kept you for a long time. A. wait B. waited C. waiting D. to wait 【查看更多】

     

    题目列表(包括答案和解析)

    I'm sorry to have kept you       for such a long time.

    A. wait               B. waiting          C. to wait           D. waited

    查看答案和解析>>


    同步练习册答案