第一段：表达感谢之情并说明原因 常用句式 1。感谢信的开头应问候对方，并对对方的馈赠、帮助、 关心和邀请等表示由衷的感谢，常用句式 1) How is it going/how about your life/study/work. I want to express my thanks to 2) I haven’ t seen you for a long time since we parted last time and I miss you very much. Thank you very much for….. 3) I am writing to express my sincere thanks for…. 4) I would like to convey my heartfelt(adj.衷心的) thanks to you for.. 5) With deepest gratitude I write you this letter for