Выбери нужный предлог. 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.
2) in
3) on
4) with
5) on