Betty and Kitty are twins. They’re 12 years old. They look the same. But they have different (不同的) hobbies. Betty likes collecting stamps (集邮). She has many beautiful stamps. They’re from different cities (城市) and countries (国家). But Kitty likes growing flowers. The flowers are all very beautiful. Betty and Kitty both like reading books. Betty likes reading storybooks. But Kitty likes reading science books.