在高中生活中，我們經(jīng)常需要用英語寫作文。下面我將為您提供一篇關(guān)于寫感謝信的范文，希望能幫助您更好地掌握這一技能。

Dear Mr. Smith,

I am writing to express my gratitude for your kind help in the past semester. Your encouragement and support have made a significant difference in my academic life. I appreciate the time you spent explaining difficult concepts and providing valuable feedback on my assignments. Your dedication to teaching is truly inspiring, and I am lucky to have such an excellent teacher. Thank you once again for everything, and I look forward to continuing our great work together next semester.

Best regards, [Your Name]