Answer:
It rows quickly with four oars but never comes out from under its own roof. What is it?
What can be drawn but never taken?
I shift around though always slowly. I never move more than a few inches at a time. A large movement by me can kill many people. I am huge yet unseen by humans.
What can you catch but not throw?
I can bring tears to your eyes; resurrect the dead, make you smile, and reverse time. I form in an instant, but I last a life time. What am I?
What language does a billboard speak?