单选题：No country in the world so far has been able to provide com

题目内容：

No country in the world so far has been able to provide completely equal opportunities for all.

参考答案：【答案仅供学习，请勿对照自行用药等】

答案解析：

第(40)题__________

分类：英语六级题型：单选题

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分类：英语六级题型：单选题