Answer:
Come up and we go, Go down and we stay.
I occur twice in eternity. And I'm always within sight.
What type of dress can never be worn?
What can you keep after giving it to someone?
How can a pants pocket be empty and still have something in it?
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?