Dưới đây là các câu hoàn chỉnh đã được sắp xếp từ các từ trong đề bài:

1. Last year, many people went to volunteer and gave free food to the people in the flooded area.

2. They helped rebuild houses and also plant trees for people.

3. Many generous people donated money for poor people.

4. When I joined as a student, I often helped in charitable work.

5. My friends used to travel to remote areas to help the people there with.

6. We stayed in the mountainous areas for weeks.

7. We taught the children how to read and write there.

8. Being a volunteer was a wonderful experience.