So sad

I feel very sad, next week, we will finish this course, I think this is sad thing. I 'm very like my class,I love teacher here, I love the surroundings here, I love learned lots of knowledge here, and made lots of wonderful friends here! I feel very happy, so, I don't want finish this course.but I know it's impossible. I hope everyone doesn't forget our hours in the sun. your are my first foreign friends. I don't forget everyone.