Can you correct the passage? Write the correct version.
Some of my friends like helping other people they volunteer to work in charity groups who help the flood victims the children in the orphanage centres or the elderly people who live in a nursing houses they believe that charity brings about happiness therefore they often spend their summer vacations to help the people in need.
Some of my friends helping other people. They volunteer to work in charity groups who help the flood victims. The children in the orphanage centres or the elderly people who live in a nursing houses, they believe that charity brings about happiness. Therefore, they often spend their summer vacations to help the people in need