just had our first fight

just had our first fight we ( ) our breakfast when an old man came came to the doorA.just have had B.just had C.have just had D.had just had M:Our rent is now just $ 600 a month.W:I know.It's exactly one-third more than it was when we first moved in.Q:How much rent had been paid at first?为什么答案是450 Our first flag had a white elephant on it意思 we had our first glimpse of the snake.这里的our是什么用法,为什么加our We_finished our assignment when the teacher came to th door A had just had B have just had选哪个? We _ our breakfast when the old woman came to the door A;just habe had B;had iust had C;just hadD;have just had we had our first glimpse of the snake 为什么是had? 大学英语四级语法一题（53）We ___ our breakfast when an old man came to the door .A just have had B have just had C just had D had just had 53. We _D_ our breakfast when an old man came to the door.A just have had B have just had C just had D had just had为什么不选B? my wife and I had just finished the 150-mile trip home from our daughter's college.It was the first time in our lives that she would be gone for any length of time.We wondered how other people had survived it. 英语翻译请能人费些口舌翻译一下 原文如下:My wife and I had just finished the 150-mile trip home from our daughter’s college.It was the first time in our lives that she had been gone for any length of time.We wondered how other peo just joined our local community-Be the first to welcome her Life is just like our first meeting.帮我翻译下谢谢 just like it is the first meet our life什么意思 we had our first glimpse of snake.介词为什么用of不用at? Our first flag had a white elephant on it中为什么要用had?不应该用has么?>_ we had our first glimpse of the snake请问句中如果没有 our可以吗,有什么不同吗?