Sally整理以下各句时，每句均出现了一处错误，请你帮她找出并在横线上改正。
1. — What is your grandmother?
— She's fine, thank you.
( ) A B C D
2. — Who is that man, Peter?
— Aha, he's my John uncle.
( ) A B C D
3. — Is there an art room in your school?
— Yes, it is.
( ) A B C D
4. — You are a teacher, right?
— Yes, I'm.
( ) A B C D
5. You're late today. Don't late next time (下次).
( ) A B C D
1. _____ 2. _____ 3. _____ 4._____ 5._____
