Thesedayssomanything的精選

問題詳情：Thesedayssomanythingsaregoingdigital,andbooksaretoo.Peoplecanbuye-booksorcheapbooksonline.Thismeansthatsomebookstoreshaveahardtimestayingopen.1.______.BookstoresalesintheUSwentup2.5percentfrom...