People from all over the world make friends____ writing letters. One way to find a pen friend is to ____ a club. International Pen Friends started in 1967 and has over 300,000members(成员) in different countries. Their____ member is eight years old, and their oldest member is over 80. Some people write to find out about life in another country, ____ want to practice their English, or enjoy their hobbies. Stamp collectors, for example, write to people in different countries ____ that they can collect the stamps on the letters they receive. Most people just enjoy making friends, and they invite their pen friends to visit them.