Answer:
What's always coming, but never arrives?
Split me in half, and you get me and another me. What word am I?
I'm a small ring shaped fried cake, often with bavarian cream or fruit filling, and sometimes covered in icing and sprinkles.
The day is their night and the night is their day, when I shout and they shout back I run away.
Some keep it in a dumpster while others keep it in their trunk.
Two little holes in the side of a hill. Just as you come to the cherry-red mill.