The first step is to study hard. It will be better if you read some books relevant to weekly lessons because it can help you understand lectures more easily. Your manners in the class are also important. Good manners can be exemplified in your punctuality and attention in the class. Talking with your classmates and snacking must be avoided or you may disturb others and may be distracted. After finishing each class, you should review the lesson because it will help you understand thoroughly.