Dear teacher,
How time flies! I have to say goodbye to you now. Thank you, my dear teacher.You are one of the
best teachers in our school.You teach us so well.You often help me with my studies.When I am in
trouble, you always give me good advice.With your help,I have made much progress in my studies.
I am lucky to be your student. I will never forget you. No matter what places I am going to, we will
be together forever.
Best wishes!
Yours, Robert/Emma
(答案不唯一)