The key answer of exercise 5

a)

1. A: I want to go to Spain because l've never been there before.
2. T: How are you planning to travel?
3. A: I'm thinking of going by plane.
4. T: Have you thought about taking the train instead?
5. A: No, I haven't, but it's a good idea.
6. T: It's cheaper than flying. I'll show you some of the train routes.
7. A: OK.
8. T: Have you decided where you want to stay?
9. A: No, I haven't. Could you show me what accommodation is available?
10. T: There's an eco-farm near Valencia where you can stay for free if you help the farmer pick his olives.
11. A: That sounds great!

b)

1. she wanted; she'd never been there
2. asked her; was planning
3. she was thinking
4. she'd thought
5. she hadn't; it was
6. would show her
7. had decided; she wanted
8. she hadn't
9. could stay; helped
10. sounded great