My teaher gives a great help to me in my lessons, he often encourages me to study hard and explains difficult problems about maths.
老师在学习上对我帮助很大，经常鼓励我努力学习，并给我讲解数学难题。
同学之间互相帮助：to help each other between the students
Between the students help each other
谢谢
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