Answer:
Who shows her boobs?
What has to be broken before you can use it?
When one does not know what it is, then it is somethingอพ but when one knows what it is, then it is nothing.
Material for making balls and men that only shows up at certain times of the year.
If four people can repair four bicycles in four hours, how many bicycles can eight people repair in eight hours?
What is round, has a twin, and sees more than most?