This document provides guidance on using the prepositions "in", "at", and "on" with different locations and objects. It indicates that "in" should be used with rooms, buildings, bodies of water, rows, queues, and the front or back of vehicles. "At" should be used with places, locations on a page, and groups of people. "On" should be used with surfaces, small islands, directions, and the front or back of paper. The document then provides examples of questions to demonstrate the proper usage of these prepositions in different contexts.

2. Use 'in' with spaces:
in a room / in a building
in a garden / in a park
Use 'in' with bodies of water:
in the water
in the sea
in a river
Use 'in' with lines:
in a row / in a line
in a queue

3. Use 'at' with places:
at the bus-stop
at the door
at the cinema
at the end of the street

4. Use 'at' with places on a page:
at the top of the page
at the bottom of the page
Use 'at' in groups of people:
at the back of the class
at the front of the class

5. Use 'on' with surfaces:
on the ceiling / on the wall / on the floor
on the table
Use 'on' with small islands:
I stayed on Maui.
Use 'on' with directions:
on the left
on the right
straight on

6. We say 'in the front / in the back' of a car
We say 'at the front / at the back' of buildings /
groups of people
We say 'on the front / on the back' of a piece
of paper

7. Q: The label is _____ the bottle.
in
at
on
Q: Jack is waiting _____ the bottom of the
stairs.
in
at
on
Q: Our seats are _____ the third row.
in
at
on
Q: Turn left _____ the lights.
in
at
on

8. Q: He's sitting ______ the chair next to the
piano.
in
at
on
Q: I met Jack _____ the street.
in
at
on
Q: He has a lot of beautiful pictures _____
the wall
in
at
on
Q: I live _____ the fifth floor of my
apartment building.
in
at
on

9. Q: We waited for over an hour _____ the
bus-stop.
in
at
on
Q: Who is that woman _____ the
photograph?
in
at
on
Q: You will find an explanation _____ page
18.
in
at
on