【正确答案】 To my dear uncle,
I am writing this letter to express my delight and send my congratulations on your promotion to the manager.
In the past few years, you worked well with heavy pressure and devoted all your time and ener gy to your work. I am so pleased that your endeavor has been rewarded in this way. This promotion will be a good chance to improve your ability by altering how you perceive a problem during the work. It is evident that you will have a bright future waiting ahead.
Congratulations to you again! I wish you good luck in the process of pursuing career success.
Yours sincerely,
Li Ming

【答案解析】祝贺信是书信写作类型的一种，是日常交际中一种礼仪性信件，有助于加深彼此之间的情感．所以写好祝贺信至关重要。祝贺信通常分为三段去写，首段表祝贺，第二段写出祝贺的具体内容，最后一段再表祝贺，送出祝福。