Answer:
I am a piece of paper that takes most people 3 or 4 years to get. What am I?
I'm often served as a "rack of ..." I'm often smoked or grilled, with bones in, and slathered in BBQ sauce.
If you have me, you want to tell me. If you tell me, you don't have me.
A twiggy home
Consuming food would be pretty tough without these chompers
I am a room that has a roof but no walls. What am I?