Answer:
I am a nut with a hole. What am I?
I start new then become old. Start clean but be one dirty. I usually start big then become little.
I go through a door but never go in, and never come out. What am I?
I take off my clothes when you put on your clothes. I put on my clothes when you take off your clothes
I stay where I am when I go off. What am I?
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.