Answer:
I'm not a bird, but I can fly through the sky. I'm not a river, but I'm full of water. What am I?
With a halo of water and a tongue of wood, stone as skin long I stood. What am I?
Keep doing me to avoid lens dryness
What goes through a door but never goes in and never comes out?
I can be written, I can be spoken, I can be exposed, I can be broken. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?