Answer:
In many hall ways you would stand if not with me in hand.
I am long and slim works in light. Has but one eye and an awful bite.
I am a word of letters three. Add two and fewer there will be. What word am I?
What is the most slipperiest country in the world?
What is harder to catch the faster you run?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.