Answer:
While I did live, I food did give, which many one did daily eat. Now being dead, you see they tread me under feet about the street.
What always goes to bed with its shoes on?
My first is twice in apple but not once in tart. My second is in liver but not in heart. My third is in giant and also in ghost. Whole I'm best when I am toast.
This small creature kills even the largest one.
It can be in a hat, Or out of the bag. If you see it you'll be smitten, 'Cause it's fluffy like a mitten.
Two little holes in the side of a hill. Just as you come to the cherry-red mill.