be careful not to get off the bus until it stops.not为什么不放be后

be careful not to get off the bus until it stops.not为什么不放be后 be careful not to get off the bus ()it stops.为什么填until?when. 期末考~急be careful not to get off the bus until it stops.为什么unt Do not get off the bus until it stops.改错 would you please tell him not to get off the bus until it (h Don’t try to get off the bus until it stops Donot tiy to get off the bus until it stops是什么意思 英语语法 时态do not get off the bus until it( has stopped)和It is t Don't get off the bus until it stops.怎么改 Don't get off the bus until it __.(.A.stop B.stops) not until 的时态问题Don't get off the bus until it __(stop)该填什么时态 Don't get off the bus until it stops.能不能换成Don't get out of t