Answer:
The eight of us go forth not back to protect our king from a foe's attack. What are we?
We are two brothers on opposite sides of the road, but we never see each other. Who are we?
What instrument can make any sound and be heard but not touched or seen?
In many hallways you would stand, if not with this in hand.
What starts with an "e" but only has a single letter in it?
What did the piece of wood say when he saw the screwdriver and screws approaching?