keep your mobile phone 是on还是open

keep your mobile phone 是on还是open 请按照以下的题目写英语作文Write a short story about how a mobile phone saved someone's life.（写一篇短篇故事如何移动电话的拯救别人的生命）If you're walking alone in the city late at night,hlod on to your mobile pho You'd better--------(keep)off your mobile phone during the concert.用所给词的适当形式填空. keep your mobile phone off in class的同义句（两种don`t make the same mistake again Keep Your 按照句子的顺序标序号( ).i can't see the signs clearly .they are too small .would you mind giving me another one with big signs?(1).may i help you ,Sir ( ).certainly not .but could you please show mr your receipt ( ).i nought this mobile pho ___.Is this your mobile phone? 英语翻译your mobile phone is ____ ____ give.me.your.mobile.phone.number,是什么意思 ls this your mobile作肯定回答 征集作文:Turn off your mobile phone Your mobile number?翻译中文意思是什么? mobile mobile Keep your smile everytime! keep your hair on keep your head down Keep Your Head 歌词