1 - If I won €10.000, I'd buy my own zoo.
2 - If I found some money in the street, I'd phone the police.
3 - If I lived in England, I'd speak English very well.
4 - If I had an aeroplane, I'd fly over the top of Mount Everest.
5 - If I met Cristiano Ronaldo, I'd say 'You're a great football player'.
1-b, 2-c, 3-a, 4-e, 5-d