Ben and His Friends
Giới thiệu: Ben, an eight-year-old boy, introduces his friends Bill, Mai, and Lucy. Phần: ① Phần đầu tiên: Ben is eight years old and his best friend is Lucy, who is also eight years old. ② Phần thứ hai: Bill and Mai are Ben's friends, but they are both nine years old. ③ Phần thứ ba: Ben's best friend is Lucy, not Linh. Kết luận: Ben and his friends, Bill, Mai, and Lucy, are all around eight or nine years old. Lucy is Ben's best friend.