Question

как правильно?
1)There are two desks next to/on/at the room.
2)There is no pantry on/in/at his flat.
3)There is a nice carpet at/on/in the floor.
4)I share a large room of/from/with my brother:
5)There are many interesting books at/on/in the shelf.

Answer 1

1.at
2.on
3.on
4.with
5.on