行吗

• Would you be so good as to lock the door when you leave ?
  你离开时请把门锁上行吗？
• Will you sell me your camera ?
  你把照相机卖给我行吗？
• Would it suit you to come at five ?
  你五点钟来行吗？
• Do you mind my closing the window ?
  我关上窗户行吗？
• Will you act as witness to the agreement between us ?
  您作我们协议签署时的见证人行吗？
• Could n't we ask a policeman ?
  我们问问警察行吗？
• "strictly between us? "
  “保证不向外传，行吗？”
• Can you spare a cigarette for me ?
  给我根烟行吗？
• Is her schoolwork up to scratch ?
  她的功课行吗？
• Do not let it out about me losing my job , will you ?
  别把我丢了工作一事泄露出去，行吗？