用英语说课堂上的5不准

Don't sleep in class.
不准在课堂睡觉。
Don't whisper to each other.
不要在课堂上交头接耳。
Don't eat or drink in class.
不准在课堂上吃喝。
Don't read other books not related to the subject.
不要看其他读物。
Don't make phone call or sms in class.
不要在课堂上打电话和发短信。

5 don'ts in class

5 don'ts during class:
1.use your mobile phones.
2.eat and drink anything.
3.read other books not related to the subject.
4.laugh and talk loudly with your partner
5.sleep in class