1. Hans is a businessman. 2. Your family is very nice. 3. I like to listen (listening) to music. 4. Our school has got a lot of students. (Хотя здесь можно оставить и так) 5. They were fishing when Hans fell into the water. 6. It was raining when we went out. 7. We were dancing at the disco when saw Sandy. 8. I lost my money when I was buying presents. 9. I broke my leg while I was skiing. 10. They were sitting in the garden when it started ti rain.
Я думаю так, у кого есть поправки, с радостью посмотрю