题目内容

Not until I ________ to work ____ how much time I had wasted.

A.did begin; didn't I realize

B.began; I realized

C.did begin; I realized

D.began; did I realize

 

【答案】

D

【解析】本题考查倒装句。否定词位于句首,主语要用部分倒装,但从句部倒装。

 

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