Some people return to college as mature students and take full- or part-time training courses in a skill will help them to get a job. The development of open learning, (1)______ it possible to study when it is convenient for the students, has increased the opportunities available (2)_______ many people. This type of study was formerly restricted to book-based learning and (3)________ course but now includes courses on TV, CD-ROM or the Internet, and self-access courses at language or computer centers. Americans believe that education is important at all stage of life and should not stop (4)________ people get their first job. About 40% of adults take part in some kind of formal education. About half of them are trying to get qualifications and skills to help them with their jobs, the (5)_________ are taking recreational subjects for personal satisfaction. Schools and community colleges arrange evening classes, and a catalog of courses is published by local boards of education. Điền vào số 3 A. corresponding B. corresponded C. correspondent D. correspondence