专注当下的一个小目标，让进步有迹可循。
练习题 · Some people believe that working from home is better than working in an office. Discuss both views and give your own opinion.
一次只做一件事，就很好。
按听力、阅读、写作、口语顺序录入分数
Describe a skill you would like to learn.
What it is · Why you want to learn it · How you would learn it
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