Doing housework costs a lot of time, which is not good for students' study.

The main aim of students is to concentrate on study.

everyone has his own task, for student, the task is study. if one can't complete his own work, he will not succeed doing the other tings.

housework is energy-consuming. students' study is very difficult and they have a lot of pressure. doing housework is not good for them.

現(xiàn)在先想出這幾條,等下再幫你想想.

還有嗎？多的話追加30分5. if the student wants to repay his parents, there will be many ways, not just by doing housework.the most important is to keep a gratitude heart.6. an imprtant role of a student is to be attentive. doing housework disobeys this role.