1. I joined the volunteer club **so that** I could help people in need.

2. Volunteers **picked up** marine litter on the beaches.

3. **When** I reach my office, I will talk to him.

4. **He suggests** donating our old books, toys, and clothes to charity.

5. **Mom** encouraged me to participate in volunteer work.

6. Jane stayed behind after the class **because** she wanted to talk to the teacher.

7. Jane **talked to the teacher** after the class.

8. My sister **was part of** volunteer work two years ago.

9. My sister **participated** in volunteer work two years ago.

10. **When did you join** Volunteers In Asia?

11. **When** you joined Volunteers In Asia, how long have you been a member?

12. We **encouraged** people to recycle glass, cans, and paper.