when I was leaving the house .the postman arrived.(变为同义句）

when i arrived,the football team -------,so i didn't have a chance to have their autograph.a is leaving b was leaving c has left -You should have thanked her before you left.-I meant_______,but when I was leaving I couldn't find her anywhere.A.to doB.toC.doingD.doing so i mean---------,but when i was leaving i couldn't find her anywhere为什么是to不是帖todo请问填to do 为什么不行呀 you should have thanked her before you left.I meant____,but when I was leaving I couldyou should have thanked her before you left.I meant____,but when I was leaving I couldn't find her anywhere.A to do B to C doing D doing so为什么不能选A? i was just leaving my office_________ the telephong began to ring.when还是while when I was leaving the house .the postman arrived.(变为同义句） I was just leaving when someone ____(konck) on the door I was leaving when it began to rain.请翻译成中文. When / (Just) as I was leaving the house, the postman arrived.能不能用WhiIe I was leaving the house, the postman arrived. 英语选择选什么为什么呢?----You should have thanked her before you left.----I meant___,but when i was leaving i couldn't find her anywhere.A to do B to C doing D doing it you should have thanked her before you left.I meant _______,but when I was leaving I couldn't find her anywhere]a to do b to cdoing d doing it为什么不选A? 请教一题高三英语题:)---You should have thanked her before you left.---I meant _________ ,but when I was leaving I couldn't find her anywhere.A to do B to C doing D doing so meant to do 为什么省do?I meant ( ),but when i was leaving ,i couldn't find her anywhere.A to do B to 为什么要省do啊?是什么规律? —You should have thanked her before she left.—I meant ________,but when I was leaving I couldn’t find her anywhere.A．to do B．to C．doing D．to have done mean to和mean to do分别在什么情况下才用”You should have thanked her before you leftI meant to ,but when i was leaving i couldn't find her anywhere:这里为什么不加do？ I didn't know when they （ ） for beijingA.leftB.leaveC.are leavingD.were leaving The door bell ＿＿when I was leaving.A.am telephone B.telephone C.was telephone D.telephoned 高三英语语法题：特殊句式.请求详解!— You should have thanked the hostess before leaving. — I meant __B___. But I couldn't find her when I was leaving. A. to do B. toC. doing D. doing so（为嘛不