Mr.Smith是某中学的的外籍英语教师.有一天,她带他的学生外出活动,在一处加油站的入口处看见一块警示牌.Mr.Smi

you know, this is a gas station where Mr. smith and his students stopped on the way of their outside activity. Mr. Smith is a foreign teacher of some middle school, so he required his students to say something about the warning signs at the gas station and then wirte what they said down. The signs were No Burning, No using mobile phone, no Hooting. After that, Mr. Smith taught the students the significance of following these rules.