Answer:
I am needed for most animals and hardcover books. What am I?
I am a table you can eat. What am I?
I am full of holes but still holds water.
What can fill a room but takes up no space?
I always go to bed with my shoes on.
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.