Các huynh giúp đệ III. After you read: Complete the following summary: In the US, many high school and college students often spend hours on voluntary work. As ---------------(1) in hospitals, orphanages or homes for the aged, they read books to the people in these places, visit them and ---------------(2) games with them or listen to their problems. Other young volunteers usually help the sick or the old in their homes by -----------(3) the lawns, doing shopping and cleaning up their houses. Disadvantaged or ------------------(4) children are given care and comfort to overcome their difficulties. Volunteers believe bringing happiness to others makes them the -----------------(5) people in the world.