判断关系词词性
I like that cat whose fur is white.
I like that cat whose fur is white.I like that cat and its fur is white.
I know the boy who wears a black coat.I know the boy and he wears a black coat.
I like the school where I met my favourite teacher. I like the school and I met my favourite teacher there.
关系代词=连词+ 代词关系副词= 连词+ 副词