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English Daily is a free AI-Powered daily english practice platform with high-quality data updates across listening, speaking, reading, and writing.

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中华语文知识库

DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, committed to ensuring quality content is freely available online for everyone.

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Math explained in easy language, plus puzzles, games, worksheets and an illustrated dictionary. For K-12 kids, teachers and parents.