Answer:
What bone has a sense of humor?
I plow and plow but never sow.
When I come in from sea to shore twenty paces you'll see No less no more.
I run up and down the stairs without moving. What am I?
I am a person who pretends to be someone else
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk