Dear Teacher,
My name is xxx and I am one of your students. At this special time of the year, I want to thank you for all your help in teaching me English. . I hope as your students, we will give you a sense of holiday happiness. we wish you merry christmas and happy holidays. May everything beautiful and best be condensed into this card. I sincerely wish you happiness, cheerfulness and success. (愿一切最美好的祝福都能用这张贺卡表达,真诚地祝你幸福、快乐、成功!最后一句的翻译)
Best wishes,
XXX
12/24/2011
按照我写的格式写,这是正式的美式格式