No problem with leaving the classroom, when each class, while listening to the teacher's explanations, while thinking subject content, Ruoyi understand the teacher's talking, thinking it will advance to the next topic.
Do not leave the classroom with a question, every class, while listening to the teacher's explanation, while thinking about the content of the topic, if you have understood the teacher's speech, will pre-think the next topic.
Leave the classroom without questions. Each time in class, listen to the teacher's explanation and think about the content of the topic. If you understand the teacher's words, you will think about the next topic in advance.<br>