In the us we have free compulsory public education for all children from grade 1 to grade 12. Children must stay in school through grade 12, or at least until they are 16.
美国对小学一年级到12年级的孩子实行强制性义务教育，孩子们必须在学校里读完12年，或者至少要到16岁。
In the us we have free compulsory public education for all children from grade 1 to grade 12. Children must stay in school through grade 12, or at least until they are 16.
美国对小学一年级到12年级的孩子实行强制性义务教育，孩子们必须在学校里读完12年，或者至少要到16岁。
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