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范文Dear Mrs. Zhang,Im writing to express my sincere gratitude to you. You gave me a hand when it was very necessary.One month ago, with the College Entrance Examination around the corner, I was nervous and in low spirits. I was afraid of letting my parents down because of my average academic performance. When I was at the point of giving up, you asked me to go to your office. Instead of blaming me, you forted me and discussed with me my reasons for failing the exam. You managed to help me with my studiesand always inspired me. Gradually, I learned how to makemy own adjustments. Thanks to you, Istayed calm duringthe College Entrance Examination.Mrs. Zhang, Im extremelygrateful for what you have done for me. I will always have hopebecause of you. I wish you happiness and goodhealth.Sincerely yours,Li Hua