Answer:
What can you catch but never throw?
I go through a door but never go in, and never come out. What am I?
I'm simple for a few people, but hard for them to hear. I live inside of secrets and bring people's worst fears. What am I?
I am made of wood but can't be sawed? What am I?
I plow and plow but never sow.
In your fire you hear me scream! Creaking and whining yet I am dead before you lay me in your hearth.