楼上的的某些地方有语法错误
Our group has 7 students, four boys, five girls. We learn together, with the captain of our group,Dandan,our grades have improved. We got on very well, unity and friendship among each other and help each other. Although sometimes will also make a few problems, but will soon reconcile. i believe we‘ll come to the top of class,if we all try our best.