NotuntilIbegantowork________howmuchtimeIhadwasted．A.didn'tIrealiz

发布时间：2020-08-06 20:29:30

Not until I began to work ________ how much time I had wasted．A.didn't I realizeB.did I realizeC.I didn't realizeD.I realized

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B解析not until 放在句首时，它连接的时间状语不倒装，主句应倒装，因此只有B是最佳
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