Nowadays,mobilephonesaremoreandmorepopularinoursociety....
问题详情：Nowadays,mobilephonesaremoreandmorepopularinoursociety.Evenmanystudentsofhighschoolshavegottheirownmobilephone.Themobilephonedoesofferalotconveniencetous.Withamobilephone,wecancalltheothersnot...