练习册

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    You used to be really fat, you?Now you look so fine. A.did B.weren’t C.didn’t D.do 答案:C used to的否定形式是在动词前加助动词didn’t. 【查看更多】

     

    题目列表(包括答案和解析)

    You used to be really fat,　　   you? Now you look so fine.　　　　 

    A. did　　  B. Didn’t　　    C. didn’t　　　　 D. Did

     

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