MorethanonemillionchildrenintheUnitedStatesdonotgotosc...
問題詳情: MorethanonemillionchildrenintheUnitedStatesdonotgotoschool.Instead,theylearnathome.Mostoften,theirparentsaretheirteachers.Educationalcompanies,librariesandtheInternetprovidemanyfamilieswitht...