两个句子的区别He is a friend of my brother.He is a friend of my bro

两个句子的区别He is a friend of my brother.He is a friend of my bro He is a friend of my brother's.和He is a friend of my brother he is a friend of mine和he is my friend的区别? He is a friend of my mother he is a good friend of of my father's Susan is my classmate.He is a friend of（）. 连词成句 of, friend, brother's, he, my, is, a。 the, b He is a friend of mine 和He is a friend of myself的区别 He is a friend of my father正确还是He is a friend of my father's he is a friend of my mother与he is a friend of my mother’s有什么 he is a friend of my brother's 在上下文中必须要he这个人存在么? a friend of my brother