11. They have built the bridge for 2 months.
12. He is interested in planting beautiful flowers.
13. If you try your best, you can run fast.
14. Although he is strong, I am not afraid of him.
15. It was such a beautiful girl that everyone admired her.
16. I used to go to the cinema at the weekends.
17. Peter is not old enough to see the horror film.
18. When the rain stops, we will go out.
19. Because he was sick, he had to stay home.
20. My mother hasn't worked for 10 years.