Task 2. Match numbers (1-5) to letters (a-e). 1. Travelling by air
2. Travelling by train
3. Travelling by sea
4. Travelling by car
5. Hitch-hiking
a. popular, large ships, river boats, different places of interest
b. convenient, without tickets, suitcases in your trunk
c. very fast, comfortable and expensive
d. travel without money
e. slow, safety, sleeping car, dining cars