- 問題詳情: Thisyearsometwenty-threehundredteenagers(youngpeopleagedfrom13~19)fromallovertheworldwillspendabouttenmonthsinU.S.homes.TheywillattendU.S.schools,meetU.S.teenagers,andformimpressionsoftherealAmerica.Atthesametime,aboutthirteenhundredAmerica...
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