what is this?
it's a camera.
what are these?
these are cameras.
what is this?
it's a pencil.
what are these?
these are pencils.
what is this?
this is a key.
what are those?
those are keys.
what is this?
this is an eraser.
what are those?
those are erasers.
what is this?
this is a lipstick.
what are these?
these are lipsticks.
what is that?
that is a chair.
what are those?
those are chairs.
what is that?
that is a watch.
what are these?
these are watches.
what is that?
that is a car.
what are those?
those are cars.
