It's very important to keep healthy.Have a healthy lifestyle can ger good grades. If you are ill it is difficult for you to finish the homework. First, you should eat a balance diet. You should drink milk and eat vegetables everyday. You can't eat junk food. Second, you must go to bed early and get up early. You should sleep 9 hours ecery night. Last , you should da sports everyday. Good food and healthy life style can help you get goodgrades.