a friend of mine(I) is a good reporter中为什么用mine

I _______ (填空)a friend of mine a friend of mine. a friend of mine(I) is a good reporter中为什么用mine i met a friend of mine.mine是主语,宾语,状语…… a friend of my还是a friend of mine A friend of mine,A friend of myself.哪个对? I met a friend of mine.of不是表示所属关系吗,为什么后面还用mine呢 Tom is a best friend of mine. a friend of mine=?my friends He is a friend of mine.翻译. he is a friend of mine 初一英语作文：A Friend of Mine A Good Friend of Mine 英语作文 just a friend of mine 歌词 She Was A Friend Of Mine 歌词 I happened to meet a friend of mine in the street yesterday.（同义句转换）I met a friend of mine in the street _______ _______ . a good friend of mine 为什么用mine his a friend of mine 为什么用mine