Answer:
At night I come without being fetched, and by day I am lost without being stolen. What am I?
I have a small hill with seven holes.
When I get closer my tail grows longer but when I go away my tail leads the way.
You find me behind the stars; or in a sixth seventh or third. It takes something round a computer and me to make pie. I am bigger than anything you can think of.
I'm not a bird, but I can fly through the sky. I'm not a river, but I'm full of water. What am I?
A little house full of meat, no door to go in and eat.