Answer:
What can be forever wound up but never annoyed?
I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. If you remove the third, it still remains.
It's like food but water kills it. What is it?
Three little letters, a paradox to some. The worse that it is, the better it becomes.
Sharp and long, flag of the world. What is it?
What did the piece of wood say when he saw the screwdriver and screws approaching?