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 |
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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 |