急需一篇英语作文：A letter to the parents.（内容：感激父母为主）

dear:mama papa(这样亲切些)
so many years has past ,and so many years i have been witn you!so many years your love and care shined me!I can't see some words perfectly here,but i am feeling by heart everyday!your smile and your tears ,all around me !I know clearly that every parents want their childern be great in the future ,but i can just swear here :maybe ,i can't be a good student ,but i must be a good child ,yes ,a good child of yours!
----just for you