David Pai 白老師語音教學平台 David Pai's On-line Class

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     這是協助提升英文能力全方位的免費教學頻道--- 進階單字學習(02)(中高級+)Advanced Word Power by David Pai(白正為) PDF: https://drive.google.com/file/d/1iEhc20tHIZisFKkcsTERcTKhHy9vTwVk/view?usp=share_link

  ENGLISH WRITING DRILL step by step(04)(英文寫作循序養成訓練教學)(04) by David Pai (白正為) PDF https://drive.google.com/file/d/1z85AJ1e_7fgQrlO7UCp_JiK0gXr42ua1/view?usp=share_link