David Pai白老師英文教學學習平台 English Teaching and learning Platform

  學測常用英語單字字根大全 Frequently-Uesd English Wordroot by David Pai https://drive.google.com/file/d/1nC5QX0kznEbHhB2uJbp4w20R0U11bABj/view?usp=sharing

  從簡而難英文文法詳細解說全冊（全） Explainary Grammar from A to Z ( 適合各種程度 ) By David Pai https://drive.google.com/file/d/1ij8jLdffwH_Es8pE65WNSKoVV770VNHY/view?usp=sharing