常用的`套话有：
1、please accept my sincere appreciation for mr?请接受我对先生真诚的感谢。-- many thanks for your hospitality. 感谢您的款待。
2、of all the ? I have received, i enjoy yours the most. 在我收到的所有的中，我最欣赏您的那份。 -- i know that ? took you a great deal of precious time.
3、我知道花了您不少宝贵的时间。 It was very kind of you to see me off at the airport when i left your country. 在我离开贵国之际，我十分感谢您来机场送别。 Thank you for ? that you sent me.
4、感谢您寄给我的。Please give my best regards to the people who prepared the party for me.
5、请代我向为我准备那次晚会的各位表示问候。 Ihope that i may be able to return your kindness in future.
6、我希望将来能报答您的热情款待。 We do owe Mr. a great “Thank-you”.对先生，我再次深表谢意。
范文：
a letter of thanks nov.30, 20xx
dear pingping,
i do want to express my sincere thanks not only to yourself, but to your whole
family, for the kind treatment to me when i was ill. i am sorry to say that my being ill must have given you a great deal of trouble.
i hope i can reply this great kindness some day, and i shall always remember it with feelings of the greatest gratitude.please send my best regards to your parents and your younger brother. hope to see you soon!
yours affectionately，
jiangguo
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