Paul and Bill are from different colleges． Paul applies （申请） for an online school， while Bill attends classes at school． They each believe that their school system （制度） is better than the other．

    Paul： Hey， Bill． Are you （1）f　　to see a movie tonight？

    Bill： Sorry， no． I'll have a class and a lot of homework to do．

    Paul： Oh， that's too bad． I'm so glad I take classes online． I can decide （2）w　　 ， where and how to complete my lessons．

    Bill： Sounds good， but I really enjoy going to class （3）b　　it's a great way to get to know other people． It also helps me learn how to work well with others． If I don't understand something，I'm always able to ask about it in person．

    Paul： In online classes， I have to （4）t　　 completely before asking questions． That teaches me how to solve problems on my own．

    Bill： Do you ever （5）m　　 technical （技术上的） problems in your online classes？ If you can't open a file （文件）， how can you continue your learning？

    Paul： It's not a big problem． I can email the teacher or call up another student for help．

    Bill： But that takes too much time． You may fall behind on your studies．

    Paul： You may （6）a　　fall behind．What will happen if you get sick？ It isn't a （7）p　roblem　for online classes．

    Bill： Yes， but my teacher and classmates can help me．

    Paul： In an online class， I don't have to （8）w　　about missing classes for any reason． I can always review the previous （先前的） lessons online．

    Bill： Don't you feel lonely sometimes？ I would feel lonely if I had to learn by myself．

    Paul： I enjoy learning alone． Besides， an online class gives me more free time to take part in other activities．

    Bill： I still prefer having classmates to discuss and share （9）i　　 with． I believe that improves my learning all the time．

    Paul： I'm pretty self﹣disciplined （自律的），and I work （10）b　　on my own than with others．

    Bill： I guess everybody learns differently．