练习册

  • 练习册
  • 试题
    The young the vital forces in our society. a. is b. has been c. are d. have been 【查看更多】

     

    题目列表(包括答案和解析)

    . The young ______ the vital forces in our society.

    A. is    B. has been    C. are    D. have been

    查看答案和解析>>

    . The young ______ the vital forces in our society.

    A．is

    B．has been

    C．are

    D．have been

     

    查看答案和解析>>


    同步练习册答案