Not until_______to work,_______how much time I had wasted.
A.did I begin;did I realize | B.did I begin;I realize |
C.I began;did I realize | D.I began;I realize |
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Not until_______to work,_______how much time I had wasted.
A.did I begin;did I realize | B.did I begin;I realize |
C.I began;did I realize | D.I began;I realize |