why should we turn off cellphone in the gas station?用英文回答哦.

why should we turn off cellphone in the gas station?用英文回答哦. Why should we marry? why should we do exercise? Why should we hire you? we should turn off the lght We are going the w_____way. We should turn right. the reason why expo pavilions should be turned down after the expothe reason we will not turn down the expo pavilions after the expo 以Why should we protect wildlife animals why should we celebrate western festival why should we protect wildlife animal作文 why should we go to college? why should we do exercise英语作文 why we should go to school? Why should we learn English?作文 we should turn right here答句写问句怎样问？ 根据问句写答句.We should turn right here. if he slap your right face,you should turn left face to him.why? why we should fall down,because we should learnow to stand up.