Answer:
I am always hungry, I must always be fed. The finger I lick will soon turn red. What am I?
What word when read from left to right is a ruler, but when read from right to left is a servant?
I am the second L in LOL.
As I went over London Bridge I met my sister Jenny; I broke her neck and drank her blood and left her standing empty.
Bright as diamonds, loud as thunder, never still, a thing of wonder. What am I?
What never gets any wetter no matter how hard it rains?