The main conflict is that Harry is now old enough to face voldemort for the first time. however harry does not know this so he assumes that this fight will be between him and snake but it will actually be between him and quirrel.
5 is opinion so you can basically say whatever you want
I can tell you the first one is " last year I could sing very well" not sure about the others I'm so sorry ( maybe its right )
What’s the underlined word?
