Some classmate, the daytime listen attentively in class, often ask questions of the teacher knotty problems, evening to spend less time to finish the work, early rest.
另壹些同學，白天上課打瞌睡，漏掉了許多要點，到了晚上花教多時間完成作業，熬夜學習。
Some other classmate, the daytime class hits sleepily, a lot of points at night spend more time teaching assignments, stays up late to study.