Answer:
I take off my clothes when you put on your clothes. I put on my clothes when you take off your clothes. What am I?
What has a neck but no head?
I run around the city but I never move.
I go around in circles, but always straight ahead, never complain, no matter where I am led.
I can fall off a building and live, but in water I will die. What am I?
What begins and has no end? What is the ending of all that begins?