Well i know it was a good story that's for sure and I would help you but............ you won learn to do anything that way and all you need to do is read those chapters and write what happened in a shorter form so i don't really see what you need help on, your just being lazy and don't wanna read which is horrible.
He was not surprised because he was already going insane. Since he was hallucinating that the raven was spouting words at him. He was already ill to begin with so it was not a surprise he thought the raven spoke.
They will learn about everyones culture and traditions while working together.