The girl is reading ... the tree.
under
A woman is standing ... the sea.
in front of
The kitten is sitting ... the box
in
There are a lot of books ... the shelf.
on
The ball is ... the box.
above
There's a bookshelf ... two beds.
between
The family is sitting ... the table.
at
An alien is hiding ... the rock.
behind
There's an armchair ... the window.
next to