Now many _____ feel they have to learn new things. If (如果) you are a bank clerk, you must learn to use a computer. If you are a teacher, you should learn to surf the Internet to get_____ . TV universities give people a chance to learn new things in their free_____ . There _____ many courses (课程). People can go to TV universities and learn what they want. They can go to work in the daytime and go to study in the evening and _____ the weekends.