Answer:
What goes through towns and over hills but never moves?
I am heavy forward, but backward I'm not. What am I?
What has no beginning, end, or middle?
What do you get when you cross a cow with a trampoline?
I am very easy to get into,but it is hard to get out of me. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?