This person is travelling __ ____
by bike
You go here to travel __ ___________
by underground
What is this?
a coach
If you walk somewhere, you go __ ____
on foot
What's this?
a scooter
These people are travelling __ ____
by boat
This person is travelling __ _____
by plane
What is this?
a heliopter
Let's travel __ ____ !
by ship
What's this?
a tram
He's travelling __ __________
by motorbike