-An old friend of my sister's always helps my brother and___ with ___Enhlisha I;our b me;ourselves c i; my d me ;our2.Tom and ___ go to school.（I me）像这种题,是选I 还是me?

my an old friend 和an old friend of mine都正确吗?RT He is an old friend of my father.哪里有错? An old friend of [ ] is an engineer.A.me b.I c. my d.mine An old friend of him还是his A friend of my father's.的中文意思an old coat.也要中文意思 Yesterday I met an old friend of my faither 这句话那里错了 答案为什么选B呢?123.I met ____ in the street yesterday,who had just come back from Japan.A.an old friend of my fatherB.an old friend of my father'sC.an my father's old friendD.one of my father's old friend an old friend of hers hers能开头吗 比如hers an old friend对吗 为什么 Mr.White is ____.a.an old friend of my father's b.an old friend of my father 请问这两个答案有什么区别?选哪个合适 an old friend of me有这种说法吗?an old friend of mine跟an old friend of me有什么区别?那为什么要用mine? 上星期六,我在回家路上碰见了一个老朋友.I( )( )an old friend of ( )( )my( )( )last Saturday. TO our surprise,we discovered that the stranger was an old friend of my mother's用turn out改写? an old friend of ____ is an engineer.答案是me,i,my,mine,主要是这句话到底怎样看、is an engineer an old friend of 为什么不是这样排呢,an old friend of ____ is an engineer而是这样排法.很多句子我都不懂排法、弄不 an old friend of mine这就话为什么用mine Mr Smith is an old friend of _________. I trust him.He's an old friend of _____ . I know the c____ of my old friend very well 11.Don't you know he is an old friend of 　　A）my brother B）my brothers C）my brother's D）my brother's friend选什么?为什么?