练习册

  • 练习册
  • 试题
    32．Under no circumstances allowed to enter the lab without permission． A．you are B．you will be C．are you D．have you 【查看更多】

     

    题目列表(包括答案和解析)

    Under no circumstances ______ allowed to enter the lab without permission．

    A．you are         B．you will be           C．are you         D．have you

    查看答案和解析>>


    同步练习册答案