This is...
a bike.
This is...
a taxi.
This is...
a truck.
This is...
a train.
This is...
a tram.
This is...
a bus.
This is an American ....
cab
This is...
a motorbike.
This is...
a helicopter.
This is a...
plane
This is...
a boat.
This is...
a van.
This is...
a double-decker.
This is a...
car
This is...
an underground train. / a subway train.
This is...
a tram.