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1、hi sir, im just wondering is it possible to attend your class? i really enjoy listening your class. but the only problem is im not belonging to the class which you are teaching.。

相信通过外教英语怎么说这篇文章能帮到你，在和好朋友分享的时候，也欢迎感兴趣小伙伴们一起来探讨。