My name is XXX， And I'm in class 12, grade seven, there is a lot of fun in my school life. There are lots of class activities which are really exciting. My classmates are friendly，too. We get on well with each other, they always try their best to help me when I'm in troubles, I am very glad to meet my classmates, they made me happy and help me a lot.

What's the harmonious class I have.