1. The lakes are full of rubbish. We should ask our friend to clean them this Sunday.
2. The hurricane was terrible. Many houses were destroyed and many people became homeless.
3. They are cold and hungry. They have lived in the street this winter. We should ask people to help them.
4. We can cook meals and bring them to homeless people.
5. We can ask people to donate warm clothes and help them rebuild their houses.
7. Do you like working with children or with elderly people?
8. It's good to donate blood because you can save people's lives.
@Duylì