I know ______ is _______ brother,but I really don't like填单词

问题描述:

I know ______ is _______ brother,but I really don't like
填单词

这个题目是要干什么啊···?

我想这个题目应该是考人称代词和物主代词的
可以这么写:I know he is her brother,but I really don't like (him).