请问大侠们,by the time our teacher came in ,we had started speaki

when the teacher came in ,we stop ( ) 英语翻译1.By the time we had completed our preparation,the sky w 3.we [ ]TV at midnight when our teacher came in. by the time I came back they had climbed up.. we started our trip in different directions but______in the the teacher came in,(followed) by some students. Our teacher came into the classroom without anything in his “It is time that we began our class,”said the teacher.请问用虚拟语 “It is time that we began our class,”said the teacher.请问为什么是 分析：Before we had time to get into the car,it had started to by the time you came back,we (complete)the work by the time the teacher had already started teaching