[ he she I you it they his her my your their]

[ he she I you it they his her my your their]
1、What’s(you)( )favorite subject?
2、Who is(Mary and Alice)( )math teacher?
3、What are(john)( )favorite subjects?
4、Why does(Mary) ( )like Spanish?
5、Because(physical Education)( ）is fun.根据句意和括号中的内容，选择适当的代词形式填在横线上