There is an eraser _____ the desk
on
There is a clock______the wall
on
There are many rulers________ the bookcase
in
There are seven blue chairs______the classroom
in
There are school bags ___________ the window
next to
There is a blackboard________ the teacher's table
behind
There is a cupboard ___________ the door
next to
There is a purple pencil case _________ two chairs
between
There is a map______the bookcase
behind