2021-11-15 Study Log 2021-11-15 英語の勉強ログ Date November 15th, 2021. Material Duolingo マーフィーのケンブリッジ英文法 Purpose Input / Output Contents I played Duolingo and got 53 EXP. I studied Unit 1 of "マーフィーのケンブリッジ英文法". To finish the text during two month, I have to study 3 units / day.