This term my teacher asks me to get good grades so I work ha

This term my teacher asks me to get good grades so I work ha I wish my son to get good grades this competition! My teacher always e__ me when I don't get good grades. my mrother always expects me to get good grades,but i usuall jim wants to get good grades in the math exam so he works ha 翻译well,i wantto be a teacher.i am going to get good grades. You get good grades,you happy so i happy ,just easy for me. The best way to get good grades is to work hard,I can do bet Can you tell me ( )good grades A.how can I get B.how to get "my healthy lifestyles to help me get good grades"中为什么用to I hope me get good grades in this exam为什么不可以, I'll work hard to get （ ）grades.good 还是 better