The key answer of exercise 1

a)

1. What would you do if you could take six months off work?
2. What would you do if you became a world leader?
3. What part of your body would you change if you could?
4. If you had to live on a desert island, what would you take with you?
5. What would you rescue from your home if it was on fire?
6. If you could change places with anyone, who would you choose?
7. What would you study if you went back to school?
8. What would you do if you only had four weeks to live?

b)

1. 2; 'd try
2. 5; could
3. 8; wanted
4. 1; were
5. 4; could
6. 3; 'd love
7. 7; 'd learn
8. 6; was / were