亲爱的蔡老师您辛苦了,谢谢你辛苦的教我们英语让我增加了信心除了国语还可以说一些简单的英语对话，希

Dear teacher Cai, thank your for educating us English which not only makes us confident but also enable us to sepeak some English besides Chinese. I wish I could make progress in English and hope you will be attractive than before and stay young forever.