Closed book | meaning of Closed book
Closed book Meaning
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Closed book | definition of CLOSED BOOK
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What does closed book mean?
closed book
≪英語≫ 今日のEnglish 【322】book is closed,the(ブク イズ クローズド ザ) 初心者向け、1日1word ワンポイントレッスン(意味・要点・発音)
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what is the meaning of closed book