Answer:
I am a room that has a roof but no walls. What am I?
You bind me and I walk. You loosen me and I stop. What am I?
I ask no questions but receive a lot of answers. What am I?
After you go through a fall, I will take over. All life will stall, or at least grow slower. What am I?
Send poorly behaved children to me and let them sit here.
What is always coming but never arrives?