Answer:
I can be written, I can be spoken, I can be exposed, I can be broken.
What surrounds the world, yet dwells within a thimble?
What is it that has four legs, one head, and a foot?
Who has married many women but never has been married who is he
A man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.