祝贺信
    
    One of your friends has graduated from a famous university and received her doctorate. You write a letter to congratulate on her graduation, including:
    
    1)Your sincere congratulations,
    
    2)Your best wishes to her.
    

Dear Amy,	称呼：写给关系亲密的个人
I have learned with delight that you have graduated from Beijing University. I would like to extend to you my utmost congratulations on your completing Dr. Degree. You must be very proud of your achievements. And I feel very happy for you.	第一句陈述祝贺的缘由，即交代写信背景。 （积累：with delight; graduate from…） 第二句是全文的中心句，表达自己真挚的祝贺。 （积累：extend to …my utmost congratulation on…） 第三句想象收信人的心情，第四句表达了写信人自己的心情。因此，这两句话记述的都是内心活动。 （积累：be proud of…; feel happy for…）
Receiving doctorate in such a famous university is quite exciting news!   I know this is surely owing to years of hard work you’ve done. It is a reward you richly deserve for your extraordinary ability.	第一句是本段的中心句。再次为收信人的成绩感到振奋。   第二、三句展开论述中心句：为什么这个成绩很令人振奋？第二句强调的是收信人的努力；第三句强调的是收信人的能力。 （积累：owe to…; It is a reward you deserve for…）
Kindly let me know when you are free. I hope to pay you a personal visit.   My best wishes for your further success.	第一、二句进一步扩展祝贺，提出想登门道喜的意愿。（积累： pay… a visit）   信件收尾，表达写信人的真诚祝福！
Yours sincerely, Li Ming	信件结尾和署名