Answer:
I run around the streets all day. Under the bed or by the door I sit at night, never alone. My tongue hangs out, waiting to be fed during the day. What am I?
In buckles or lace I help set the pace. The farther you go the thinner I grow.
I am needed for most animals and hardcover books
I have no voice but I can teach you all there is to know. I have spines and hinges but I am not a door. Once I’ve told you all I cannot tell you more.
What word becomes shorter when you add two letters to it?
I am owned by Old McDonald.