在不断进步的时代，很多地方都会使用到感谢信，在写作上，感谢信有一定的写作技巧。千万不能认为感谢信随便应付就可以，下面是小编帮大家整理的'英语作文感谢信的万能句子，供大家参考借鉴，希望可以帮助到有需要的朋友。
1) I am writing to extend my sincere gratitude for..
2) I am writing to express my thanks for..
3) I am writing to show my sincere appreciation for..
4) I would like to convey in this letter my heartfelt thanks to you for..
5) I feel deeply indebted to you and i really dont know how to thank you for your help.
6) I must thank you again for your generous help.
7) My true gratitude is beyond the words description.
8) Please accept my gratitude, now and always.
Directions:
Your delegation has just returned from a visit to a university in Great Britain. And you were warmly treated there by Professor Herthwell. Please write a letter to express your thanks to him for his hospitality and hope for further cooperation.
You should write about 100 words on ANSWER SHEET 2.
Do not sign your own name at the end of the letter. Use "Li Ming" instead. Do not write the address. (10 points)