1 - a) Can I have a party on my birthday?
2 - f) Hmm..Ok. Yes, you can.
3 - e) Great! Is it ok if I have the party at home, with my friends?
4 - d) No, it isn't. You can go to a pizzeria
5 - c) Do you mind if I take the whole class?
6 - b) Yes, I do! It's very expensive!