Don't get off the bus until it ____ .A.has stopped B.stopped

Don't get off the bus until it ____ .A.has stopped B.stopped Don't get off the bus until it ____ A.stopped B. don't get on the bus ()it has stopped A until B unless 英语语法Don't get off the bus until it _____A,stop B,stopped C,w Don＇t ＿ the bus until it has stopped.A.get along B.get to C. 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 lrr the bus until it has stopped的意思 Don't get off the bus ___ it has stopped 单项选择 Don't try to get off the bus ( )it has stopped. Never get off the bus __________ it has stopped.