Dear ______ ,

①I am writing to extend my sincere gratitude for ______(感謝的原因). ②If it had not been for your assistance in ______(對方給予的具體幫助), I fear that I would have been ______(沒有對方幫助時的后果).

③Every one agrees that it was you who ______(給出細節).

④Again, I would like to exPss my warm thanks to you! Please accept my gratitude.

Yours sincerely,

Li Ming

以下是英文作文中常用的語句：

Thank you very much /indeed for---

非常感謝……

I am obliged to you for your assistance during---

我很感謝你在……時的幫助

Thank you very much for the gift you sent me. It is one of the most wonderful gifts I got on my birthday.

非常感謝你寄給我的禮物。那是我生日那天收到最美妙的禮物之一。

Thanks to your effort, we had our most successful---.

感謝你的努力,我們有我們最成功的……。

Please accept my sincere thanks for your help, which I will never forget.

請接受我真誠的感謝，我將永遠不會忘記你的幫助。

Again, I would like to exPss my warm thanks to you.

我想再次表達我對你衷心的感謝。