Answer:
What dress does everyone have, but no one wears?
Look into my face and I'm everybody. Scratch my back and I'm nobody.
What goes further the slower it goes?
Many hear me, but no one sees me, and I only speak when spoken to
What goes through the door without pinching itself? What sits on the stove without burning itself? What sits on the table and is not ashamed?
What language does a billboard speak?