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．
Boys usually wear s on their feet inside their shoes．
We will have a wonderful s vacation as soon as junior high school days are over．
Daming was sad because he wasn't c for the school basketball team.
Mark can a at the office on time every day． He is never late．
The air pollution is still terrible in North China．
It will be even worse if we don't take action to protect the e around us．
According to the latest census（人口普查），China has a p of 1，411，78 million.
When a person v a foreign country，it is important to know how to ask for help politely.
The teacher asked us to c the first report with the second to find their similarities and differences.
﹣﹣ Did anyone help them finish the work？
﹣﹣ No.They finished it by t .
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