这句话中为什么是of mine,填me

为什么是a friend of mine 而不是a friend of me 呢 "This is a book of mine."和"This is a book of me."哪句话对?为什么? 我的名字the name of mine 我的；为什么是me a friend of mine comes from... 为什么用mine 不用me A sister of ______ is a good teacher.A.me B.mine C.my 重点是为什么 You're in here because of me.为什么这句话中here前面可以加in? ____ ____is the number of people in China?这句话中为什么填how much 为什么是belongs to me,而不是belong to mine呢? He has the same computer as I.这句话中为什么用I而不用mine. 问道英语题：He is a friend of( ) 括号里是填mine还是填me? **** of mine 这是名词所有格吧 Cuz baby you are mine mine(Mine...) Mine mine(Mine...) 这句话中文