写一篇英文短文。你成功申请到了某大学的研究生学习机会，写信给帮你写推荐信的教授表达感谢。

To whom it may concern,
I'm XXX and I'm writing this email to thank for your important recommendation letter of me, which finally granted me the opportunity for my graduate study in XXX University.
I have been told that your letter gave great credit for my application of the graduate study and the final admission. I want to sincerely thank you for your previous recommendation letter and I really appreciate all your help during my application.
Thank you very much again and please keep in touch.

Best wishes.
Sincerely,
XXX

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*方括号内是错误部分, 圆括号内是修改建议

The new [metod] is [effective] than the old one. (method, more effective)

The children loved [there] mother. (their)

Good policemen require three [quality]: courage, tolerance, and [dedicated]. (qualities, dedication)