Here is the completed text:
This is Vanessa’s bedroom. There’s a chair 1) **in front of** the desk and there’s a computer 2) **on** the desk. The window is 3) **behind** the desk. There is a bookcase 4) **between** the desk and the wardrobe. 5) **Next to** the desk, there’s a bed. There’s a carpet 6) **under** the chair and the desk.