Answer:
What goes through a door but never goes in and never comes out?
I reach for the sky, but clutch to the ground. Sometimes I leave, but I am always around. What am I?
I row quickly with four oars but never comes out from under my own roof.
If you've got me I'm everywhere. If you share me I'm nowhere. What am I?
I may seem real but it always turns out I was never there in the first place... you only see me during a certain resting stage.
What language does a billboard speak?