Answer:
What can I not be tomorrow?
A boy throws a baseball. It travels 40 feet and then goes right back to the boy. How is that possible?
How is it possible to always find what your looking for in the last place you look?
What goes up the hill and down the hill, And spite of all, yet stand still?
Three doctors said that Bill was their brother. Bill said he had no brothers. Who was lying?
When is it bad luck to see a black cat?