他的一位朋友 是a friend of his 还是 a friend of him

他的一位朋友 是a friend of his 还是 a friend of him
他的一位朋友 是a friend of his 还是 a friend of him

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.

a friend of him

one of his friends.