Dear teacher,happy birthday!
It's a regret not to have sent my blessings exactly at your birthday.Though it's not a long time we get along with each other,you are really a perfect teacher. Wish you can stay happy everyday~
谢谢
Dear teacher,Happy Birthday!I'm regretful that didn't sent my blessings to you at your birthday。Although the time we are together is not long,but i think that you are the best teacher,At last, wish you happy every day sincerely!
happy birthday to you
好长啊