Answer:
How many bricks does it take to complete a building made of brick?
What fiveletter word, no matter how you pronounce it, is always pronounced wrong?
What cleans as it gets dirty only to get clean the more you use it?
What has roots that nobody sees, and is taller than trees. Up, up it goes, and yet it never grows.
What can't you see, hear or feel, until it’s too late. What shadows love, and shopkeepers hate?
What never gets any wetter no matter how hard it rains?