Answer:
As I went over London Bridge I met my sister Jenny; I broke her neck and drank her blood and left her standing empty.
I am a five letter word. If you remove my first letter I am a form of energy. Remove my first two and I am needed to live. Scramble the last three and you can drink me. What am I?
I have no voice but I can teach you all there is to know. I have spines and hinges but I am not a door. Once Iβve told you all I cannot tell you more.
I keep things green and keep kids happy during summer time.
If you drop me, I'm sure to crack. Give me a smile and I'll always smile back. What am I?
I flow from the Homerβs mouth when he sees doughnuts.