Ответ:

5.1.e

2.a

3.f

4.b

5.c

6.f

6.1. Many people in the world travel

2.We can travel by land, by air, by water.

3.Passengers are people who use transport to travel.

4. Travelling by plane is the fastest

5. Every vehicle has its advantages and disadvantages

6. A helicopter is the air mean of transport.

Объяснение: