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Answering the questions I received recently about "Polaris English Grammar" (Part 1) Masao Seki N...
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While "True English Grammar Encyclopedia" is sold out in bookstores nationwide, I've compiled a v...
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Thorough preparation for ordering and true/false questions using the Seki Seisei method (video su...
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[Book Introduction] The author himself explains "Masao Seki's The Essentials: 100 Essential Engli...
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