1. Volunteer work is an unpaid work.

2. Orphans usually need the charity, because they haven't parents.

3. My project for the city is non-profit.

4. I knew, that they were endangered species, so I decided to protect them. 5. Practical work can help improve your develop skills.

6. Tommy decided to parcticipate in the conservation, part of which he missed.

7. I casully saw your wildlife research on the monitor and I liked it.

8. Yeah, it wasn't a great effort, but you can try to do something stronger.

9. Nowadays we have to improve our mental abilities!

10. Luke decided to travel to other side of the world to build a new life.

11.  I hope an future educational programme give children opportunity to learn really interesting things.

12. I know local several companies.

13. I want to be interested in turtles, because it's only way, that I've ever could understand your passion.

14. In fact, we can make a differince between two centuries.

15. I want to seem you a practical way.

16. Look, that poor guy changes his bread on sandwich!

17. When Lucie was a child she wanted to come from all over the world.

18. I don't want to stay tonight elsewhere!

19. I know that he have to come onto the council.

20. She had do get an education, because he had wanted to be a specialist in this realm of art.