问题详情：Thisyearsometwenty-threehundredteen-agers(youngpeopleagedfrom13-19)fromallovertheworldwillspendabouttenmonthsinU.S.homes.TheywillattendU.S.schools,meetU.-agers,andformimpressionsoftherealAmeri...
问题详情： Thisyearsometwenty-threehundredteenagers(youngpeopleagedfrom13~19)fromallovertheworldwillspendabouttenmonthsinU.S.homes.TheywillattendU.S.schools,meetU.S.teenagers,andformimpressionsoftherea...
问题详情： Thisyearsometwenty-threehundredteenagers(youngpeopleagedfrom13~19)fromallovertheworldwillspendabouttenmonthsinU.S.homes.TheywillattendU.S.schools,meetU.S.teenagers,andformimpressionsofth...
问题详情：Thisyearsometwenty-threehundredteenagers（youngpeopleagedfrom13—19）fromallovertheworldwillspendabouttenmonthsinU.S.homes.TheywillattendU.S.schools,meetU.S.teenagers,andformimpressionsoftherealAm...
