Answer:
What has a foot but no leg?
What do you have in December that you don't have in any other month?
What must be looked through in order to see?
Big as a saucepan, deep as a cup, Even a river can't fill it up. What is it
What comes one time in today, three times in tomorrow and never in the future?
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.