他的一位朋友 是a friend of his 还是 a friend of him
问题描述：
他的一位朋友 是a friend of his 还是 a friend of him
答
a friend of his 绝对正确、我问的我们英语老师.
他的一位朋友 是a friend of his 还是 a friend of him
a friend of his 绝对正确、我问的我们英语老师.