感谢信
dear______,
i am writing to extend my sincere gratitude for _________ (感谢的原因). if it had not been for your assistance in ___________ (对方给你的具体帮助), i fear that i would have been_________(没有对方帮助时的后果).
every one agrees that it was you who______________(给出细节).again, i would like to express my warm thanks to you! please accept my gratitude.
yours sincerely
li ming