Answer:
I can fly but I have no wings. I can cry but I have no eyes. Wherever I go darkness follows me.
I go around in circles, but always straight ahead. Never complain, no matter where I am led. 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 I've told you all, I cannot tell you more. What am I?
Package beneath a tree, inside a tasty treat. Keep it for a month, the taste is just as sweet. What am I?
I am a rock group with four members. All dead one was assassinated.
Give it food and it will live, give it water and it will die.