Don't turn the gas back on until a professional has checkde

don't turn you back on don't get on the bus ()it has stopped A until B unless don't turn back Don't turn on thr computer until you_________ A were allowed 英语翻译don’t you turn your back on the things that you do 简单英语Don't turn your back on me Human Ii (Don'T Turn Your Back On Me) 歌词 Girlicious Don't Turn Back Don't get off the bus until it ____ .A.has stopped B.stopped Don't you smoke until the plane __ off.A takes b has taken 为 Don't turn your back on me为什么是on不是to When the world turns its back on you,you turn your back on t