Answer:
What goes through a door but never goes in and never comes out?
I am a cave full of bones and the house of a worm.
I’m where yesterday follows today. And tomorrow’s in the middle. What am I?
I am the black child of a white father a wingless bird flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me even though there is no cause for grief and at once on my birth I am dissolved into air.
Goes over all the hills and hollows, Bites hard, but never swallows.
What’s a carpet’s favorite sport?