II
1. carefully
2. excited
3. painting
4. celebrate
5. unhealthy
6. invention
7. Unluckily
8. better
9. performance
10. amusing
III
1. These exercises must be finished before going to bed.
2. Because of my daughter's illness, I couldn't go to work.
3. Although they work hard, they didn't have enough money to buy a house.
4. My father always drives carefully.
5. We should eat a lot of fruit and vegetables every day.