初中英语作文,希望得到大大的修改!马上就要,

初中英语作文,希望得到大大的修改!马上就要,
a hard working classmate
When the other students are playing happily and having a rest,you can see a hardworking girl studying busily.Fortunately,she is my good friend.
Once,she is doing a difficult maths problem,and it was time to have lunch.But she didn't stop thinking and calculating until we returned classroom.
For another example,she often buys some exercise books to improve her marks.She always doing these ecercises after finishing homework.
With pleasure,she usually get good marks."No pains,no gains."is what i learn from her.