- 问题详情:daysalmosteveryonepreferstouseasmartmobilephone_________functionsaremorepractical.2.Thespeakerspokeofsomewritersandsomebooks_____werepopularthen.3I,________amyourclosefriend,willtrymybesttohelpyouwheneveryouareintrouble.allliketheway________t...
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