Answer:
I have eighty-eight keys but cannot open a single door? What am I?
What falls down but never gets hurt?
I occur twice in eternity. And I'm always within sight.
Old Mcdonald had this
This type of food, which is a fungus, is often served on supreme pizza, in spaghetti and in a particular "cream of" style soup
What is big and yellow and comes in the morning, to brighten mom's day?