Don't listen to music and play games in class. We must listen to the teacher carefully in class.

课堂上不要听音乐或玩游戏，上课时我们必须认真听老师讲课。

youdao

Don't listen to music and play games in class. We must listen to the teacher carefully in class.

课堂上不要听音乐或玩游戏，上课时我们必须认真听老师讲课。

youdao