Six years ago, Ann graduated  from college with a degree in Art. Now she is twenty-nine and works for a large computer company. She takes classes twice a week after work. She is learning to use the computer program PowerPoint. "I enjoy the college, but my job doesn't use the information I learned at college." Ann says. "The course is helping me to do my job better." In the past, when students graduated from college and got a job, they usually stopped studying. Today, lifelong learning is becoming more common. In many countries, some people return to school in their late twenties, thirties, or even older to get a higher degree. More people are taking training courses to improve their working skills after work. People can also get degrees or training through the Internet. Ann's sixty-year-old mother and father are taking courses in Art and Music. "We love these two subjects. Learning is so much fun."They say happily, "It's never too old to learn." Ann graduated from college when she was  _  .
twenty-nine twenty-six twenty-three twenty