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1Asearlyas1647Ohiomadeadecisionthatfree,tax-supportedschoolsmustbeestablishedineverytown50housholdsormore.AhavingBtohaveCtohavehadDhavinghad请说明原因

题目详情
1 As early as 1647 Ohio made a decision that free,tax-supported schools must be established in every town___50 housholds or more.
A having B to have Cto have had D having had
请说明原因
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答案和解析
选having 有50或更多户的城镇 这里 having 50 housholds or more作 town的定语