1.Nowadaysalmosteveryonepreferstouseasmartmobilephone
问题详情：daysalmosteveryonepreferstouseasmartmobilephone_________functionsaremorepractical.2.Thespeakerspokeofsomewritersandsomebooks_____werepopularthen.3I,________amyourclosefriend,willtrymybesttohel...