Answer:
you can throw me away but I will always be coming back
What has a ring but no finger?
I begin and have no end and I end all that begins. 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?
I am expelled from you orally with a sound
Why was the cook arrested?