Answer:
What object has keys that open no locks, space but no room, and you can enter but not go in?
Makes apples fall from trees
What pulls you down and never lets go?
If you drive on this, pedestrians and the police will be pretty upset with you.
What word is the same written forward, backward and upside down?
Two little holes in the side of a hill. Just as you come to the cherry-red mill.