Transportation Crossword Puzzle

QUESTIONS LIST: subway : it travels under the road. you can take it to work but you need to buy a ticket first, taxi : you pay someone to drive you in this, bike : it has two wheels but no engine. you can ride it, helicopter : this machine flies in the air, but doesn't have wings, ship : this is a very large boat, motorcycle : this machine has only two wheels, plane : many people fly on one of these to go on vacation, horse : this is an animal that you can travel or race on, truck : this is a large road vehicle that carries things, not people.