Answer:
What comes once in a minute, twice in a moment, but never in a thousand years?
There is a puzzle which can be asked all day with a different correct answer each time. What is the puzzle?
What is round as a dishpan, deep as a tub, and still the oceans couldn't fill it up?
A word I know, six letters it contains. Subtract just one and twelve remains.
What has four wings but cannot fly and uses the wind but does not know why?
What do angels sing in the shower?