Answer:
I walk on 4 legs in the morning, 2 legs at noon, and 3 legs at night. What am I?
No matter how little or how much you use me, you change me every month.
I am black, white, and read all over. What am I?
What can travel around the world while staying in a corner?
What goes all around the world but never leaves its corner?
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