Listen attentively and when you've got any problem, turn to the teacher for help. Meanwhile, you can spend less time on your homework, with more time for your rest, so that you can keep energetic in class.
hope can be useful for you.:)
Classes to concentrate on the lecture, as often as possible to the teacher to ask difficult questions. Spend less time to complete the operation, as soon as possible to rest the regular classes to maintain exuberant energy.
谢谢 我知道了
哦