Cellphonesareoneofthemostusefulinventionofthelast50year...
问题详情：Cellphonesareoneofthemostusefulinventionofthelast50years,butnoteverythingthatissaidaboutthemis____41____.Thephonesare____42____blamedforanumberofthings,fromthumbinjuriesandheadachestohousefire...