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. /e/ read a bookread a book /e/ /i:/ What did you do____________ ? I _______ . Did he read a book yesterday? Yes, he did. No, he didn39。t. /i:/ Did +主語 +動詞原形 …….? Did she _____ yesterday? Yes, she did. No, she didn39。t. Did you _________yesterday/last night/……? Yes, I _____. / No, I ______. did didn’t (動詞原形) Tips: 根據(jù)圖片判斷 Yes /no Let’s learn Pairwork A: What did