Is An's bedroom tidy? Where does he usually put his schoolbag?

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An's bedroom is big but messy. There are clothes on the floor. There is a big desk near the window, and there are dirty bowls and chopsticks on it. He usually puts his schoolbag under the desk. His bed is next to the desk, and it is also untidy. There is a cap, some CDs and some books on the bed. An's mum is not happy with this, and now An is tidying up his room.
1. Is An's bedroom tidy?
2. Where does he usually put his schoolbag?
3. What are there on the bed?
4. Who is not happy with An's bedroom?
5. What is An doing now?