作为一名中学生，学好每一门功课是我所必须做的 英文翻译

As a high school student,to learn every subjects well is what I must do. Showing preference to a certain subjects is a fatal point to everyone .

Conduct and actions is a high school student, learning each homework is what I have to do very much.
Be partial to the section is all high school students of a little bit fatal

As a high school student, I am obliged to work well on each subject. Fail to perform well in any subject is fatal to all the high school students.

Being one middle school student , learning homework per one is that are what I must compose. Tending to go overboard on some subjects is fatal point of all middle school students

Master every school lesson as a middle school student is that,I mast do it is that all middle school students to move the department extend. Point of life.