Ответ:

  1. d) What do you think I should do to make friends?
  2. f) I think you should join an after-school club.
  3. a) That’s a brilliant idea!
  4. e) And why don’t you have a party?
  5. g) I don’t think that’s a good idea.
  6. c) Why don’t you ask some classmates to go shopping with you?
  7. b) That’s not a bad idea.