Dear teachers,
I'm here to thank you so much that you have done so much for us,every time when someone of us was ill,whatever the weather was,you took him/her to the hospital to help him/her,it was not the simple help,but love,you love us,and we grateful to you,when your body was so weak,you still insisted having your classes for us,that inspired me forever,in order to express our love to you,I stand for our whole class saying 'you got so toilsome,we can't forget you forever'.
yourstudent ***