What's this?
It's a train.
Which subject is this?
It's history.
What's this?
This is a plane. /This is an aeroplane.
Which subject is this?
It's geography.
What's this?
It's a taxi. / It's a cab.
What is this?
It's a motorbike.
What's this?
It's a helicopter.
What's this?
It's a lorry. / It's a truck.
What's this?
It's an underground /It's a subway.
What is this?
It's a van.
Which subject is this?
It's P.E. (Physical Education)
What's this?
It's a bus.
What's this?
It's a boat, a ship.
Which subject is this?
It's science.
Which subject is this?
It's English.
Which subject is this?
It's maths.