Answer:
What lies in a tunnel of darkness. That can only attack when pulled back?
In the land of the green glass door there are riddles but no answers, sheets but no blankets, and books but no words. Name something found in the land of the green glass door.
Has feathers but can't fly. Rests on legs but can't walk.
A tiny bead, like fragile glass, strung along a cord of grass.
What is never used unless it's in a tight place?
What language does a billboard speak?