Answer:
What is all over a house?
What word in the dictionary is weird?
It is in every mountain, it's not in any hill, it's not in all the world, and yet it's in the mill.
They can be long or short; they can be grown or bought; they can be painted or left bare; they can be round or square.
I'm a ring of sliced onion dipped in batter and then deep fried.
I am the kind of an ant that's good at math. What am I?