假设你叫Liu Yan，初中三年，你与同学们在一起学习、参加各种活动，相互帮助，彼此之间建立了深厚的友谊.校园网的英语论坛开辟了 Thank you letter 专栏.请按下面的要求给你的同学Ling Feng写一封感谢信.注意：1.这封信要表达你对Ling Feng的感谢;2.信中要简述感谢Ling Feng的原因，适当举例，并谈谈自己的感受。
提示词语：thank you, at the end of , kind, forget, help e very close friends. I think I'll try to help others just like you.
Thank you again. Even though we may go to different schools, I'll always stay in touch with you. I wish you success for the future.
Yours,
Liu Yan