Answer:
The more you take, the more you leave behind. What are they?
They come out at night without being called. They are lost in the day without being stolen. What are they?
What bone has a sense of humor?
People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?
I have 24 keys but cannot open any locks. Sometimes loud, sometimes soft. What am I?
What made Cyclops quit teaching?