Chose the correct item.
1. Never carry a second person _______ your bike. (in, on, by)
2. When you travel by bus, don’t wave ___________ the window. ( on, of, from)
3. Don’t run __________ the road (in, into, to)
4. It’s not dangerous to travel _________________plane (in, at, by)
5. Always wear a seat belt when you travel _________a car. (at, on, in)
6. Use pavements when you travel _________ foot. (in, at, on