Краткое пояснение: Сопоставляем начало и конец фраз.
- That's b) perfect.
- What are your h) plans for Saturday?
- Shall we c) go to the park?
- What are you a) up to tonight?
- How about e) this weekend?
- Are you free f) sounds fun.
- That's g) playing football?
- I'm afraid d) I can't.
Ответ: См. решение в тексте.