Answer:
I am not alive but I can die. What am I?
I have a neck but no head. I have a body but no arm. I have a bottom but no leg. What am I?
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?
Alone I am 24th with a friend I am 20. Another friend and I am unclean.
I have married many women but have never been married. What am I?
No matter how little or how much you use me, you change me every month.