Answer:
Die without me, never thank me. Walk right through me, never feel me. What am I?
I run around the city but I never move.
What kind of table can you eat?
I go around in circles, but always straight ahead, never complain, no matter where I am led.
What gets sharper the more you use it?
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