Answer:
My teeth help me suck.
I am made of wood but can't be sawed? What am I?
Soft hairy from door to door. I am the pet that always stays on the floor.
The more you work, the more I'll eat.You keep me full, I'll keep you neat. What am I?
lighter than feather and softer than silk yet the strongest man in the world cannot hold me for more than a few minutes.
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?