Answer:
What has many keys but can't open a single lock?
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'm where yesterday follows today and tomorrow is in the middle. What am I?
I am owned by every man, though my length differs. Their wives use me after getting married. What am I?
If lightning strikes an orchestra who is the one most likely to get hit?