Nearly 30 years ago, China () its "Compulsory Education Law", ensuring quality and equality in education.

科目名称：人文英语4

试卷号：10862，11390

题型：词汇与结构(单选题)

题目：Nearly 30 years ago, China () its "Compulsory Education Law", ensuring quality and equality in education.

选项：A.completed B.implemented C.comprehended

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答案：B.implemented