I really thank you in the past 2 years.Because you care for me and help my studies,I can learn much in English.last but not least ,I wish you happy birthday!!I want you can happy everyday!我真的很感谢你在过去的2年里。因为你照顾我,帮助学习,我才能在英语学到更多;最重要的事,我祝愿你生日快乐。我希望你每天都能快乐。。(有点简短,不知 可否)