练习册

  • 练习册
  • 试题
    ( ) Someone is knocking at the door. It my mother. It's time for her to be back. A. can be B. may not be C. must be D. mustn’t be 【查看更多】

     

    题目列表(包括答案和解析)

    Someone is knocking at the door. It            my mother. It's time for her to be back.

    [     ]

    A. can be
    B. may not be
    C. must be
    D. mustn't be

    查看答案和解析>>

    Someone is knocking at the door. It ____ my mother. It's time for her to be back.

    [     ]

    A. can be
    B. may not be
    C. must be
    D. mustn't be

    查看答案和解析>>


    同步练习册答案