Choose the right preposition
1. There was a pile of dirty clothes ___ the floor.
a) on b) in c) at
2. Her headphones were tangled ___ her bedsheets.
a) over b) under c) above
3. A poster of his favorite band was hanging ___ the wall.
a) over b) to c) in
4. The desk lamp sat ___ the corner of the room, next to the window.
a) at b) on c) in
5. He kept his video games neatly organized ___ a drawer.
a) inside b) on c) under
6. The cat was sleeping ___ the bed, completely hidden.
a) over b) under c) above