About21000youngpeopl的知识精选

About21,000youngpeoplein17Americanstatesdonotattendclas...
问题详情:About21,000youngpeoplein17Americanstatesdonotattendclassesinschoolbuildings.Instead,theyreceivetheirelementary(初等的)andhighschooleducationbyworkingathomeoncomputers.ThecenterforEducationRefo...
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