Answer:
I am full of holes but still hold water. What am I?
I am what one cannot keep, two cannot hold, and three cannot destroy. What am I?
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
Whoever makes it tells it not. Whoever takes it knows it not. Whoever knows it wants it not
I can fall off a building and live but in water I will die.
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