练习册

  • 练习册
  • 试题
    You smoke when you see the sign . A. must B. should C. mustn’t D. needn’t 【查看更多】

     

    题目列表(包括答案和解析)

    You _____ smoke when you see the sign.
    [     ]
    A. must
    B. should    
    C. mustn’t    
    D. needn’t

    查看答案和解析>>

    You ________ smoke when you see the sign.

    [     ]

    A. must
    B. should
    C. mustn't
    D. needn't

    查看答案和解析>>

    You _________ smoke when you see the sign ．

    A．must             B．should                C．mustn't                  D．needn't

    查看答案和解析>>


    同步练习册答案