a friend of mine comes from... 为什么用mine 不用me

a friend of mine comes from... 为什么用mine 不用me a good friend of mine 为什么用mine his a friend of mine 为什么用mine a friend of mine comes _____dinner a friend of mine. a friend of mine an old friend of mine这就话为什么用mine 为什么是a friend of mine 而不是a friend of me 呢 a friend of mine(I) is a good reporter中为什么用mine a friend of mine 那为什么 the leg of the chair用chair而不用chair's He is a friend of mine from work 关于a friend of mine