Answer:
What is it that after you take away the whole, some still remains?
Spies and detectives do this to phones and musical shoes make this sound.
The part of the bird, that is not in the sky, Which can swim in the ocean and always stay dry. What is it?
It's what light turns into in the night
Used to keep prisoners silent and to make temporary repairs on cars.
What did the piece of wood say when he saw the screwdriver and screws approaching?