1. A _____ is a small road vehicle for a driver and passengers. 2. A _____ carries many people in a town or city. 3. A _____ has two wheels and no engine. 4. A _____ has two wheels and an engine. 5. A _____ runs on rails. 6. The _____ is a train system under the ground in a city. 7. A _____ flies in the sky and carries people over long distances. 8. A _____ can fly and stay in one place in the air. 9. A _____ is bigger than a car and is often used to carry goods. 10. A _____ is a large road vehicle for carrying heavy things. 11. A _____ travels on water and is usually smaller than a ship. 12. A _____ is a large vehicle that travels on the sea.