Ответ:

6. Match to form exchanges.

  1. Would you like to go to watch the match? d
  2. I'm sorry I can't join you. e
  3. Are you busy later? a
  4. Can you play tennis? c
  5. It's very nice of you to ask. b

Ответ: 1-d, 2-e, 3-a, 4-c, 5-b.