Answer:
What two keys cannot open any door?
I am the kind of nut that is empty at the center and has no shell.
Always in you, sometimes on you. If I surround you, I can kill you. What am I?
You walk into a room with a match strike the match and notice a candle a lamp an oil burner and a fireplace. Which do you light first?
I have a hundred legs but cannot stand a long neck but no head and I eat the maid's life. What am I?
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.