Notuntilthegamehadbegun_______

发布时间：2020-07-28 14:42:42

Not until the game had begun ________ at the sports ground.A.had he arrivedB.did he arriveC.would be have arrivedD.should he have arrived

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B解析not until在句首，句子必须倒装。用助动词构成部分倒装。
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