Notuntilyoufailedcompletelyint

发布时间：2020-07-28 14:28:02

Not until you failed pletely in the end ________ how stubborn you are．A.did you knowB.you knewC.you did knowD.didn’t you know

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A解析英语中否定词在句首时句子的主语和谓语通常要部分倒装。
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