Odpowiedź:
1. They haven’t been to a disco before.
2. I was shopping in town when I saw the demonstration.
3. Don’t you think that Martin Luther King was the most important person in American history?
4. My brother enjoys reading about people who have changed the world.
5. My sister would love to be a great politician in the future.
6. How much money have you spent on clothes since Saturday?
7. My mum enjoyed finding interesting things in the market in Italy last holiday.
8. There (be/lot) were a lot of people in town yesterday.
9. They are building a supermarket in our town at the moment.
10. I was buying a CD when I saw a friend from school.