祝贺信
  Dear_______,
  I have just learnt that___________.I hasten to tender you a word of congratulations on this splendid success of________.
  It is indeed a remarkable thing for _________.The success of your________proves not only____________,but also___________.
  Again,please accept my warm congratulations and please give my best wishes to__________.
  Sincerely yours,
  ___________