don't get on the bus ()it has stopped A until B unless

don't get on the bus ()it has stopped A until B unless Don't get off the bus until it ____ .A.has stopped B.stopped Don＇t ＿ the bus until it has stopped.A.get along B.get to C. Don't get off the bus until it ____ A.stopped B. Don't get lrr the bus until it has stopped的意思 英语语法Don't get off the bus until it _____A,stop B,stopped C,w Don't get off the bus until it has stopped.为什么until后面用完成时 不是 英语语法 时态do not get off the bus until it( has stopped)和It is t 把Don't get off the bus until it had stopped.翻译成中文 Don't get off the bus until it __.(.A.stop B.stops) Don't get off the bus ___ it has stopped 单项选择 Don't try to get off the bus ( )it has stopped.