Answer:
I am made of wood but can't be sawed? What am I?
I am what no man ever yet did see, which never was, but always is to be. What am I?
I'm white and used for cutting and grinding. When I'm damaged, humans usually remove or fill me. For most animals I am a useful tool. What am I?
What body part is pronounced as one letter, but written with three, only two different letters are used?
I help engines spin and pants stay up.
When is it bad luck to see a black cat?