Only then _________ that I can erase the wrong words I have written, but I can’t erase the things I have done.
A.did I realize | B.have I realized |
C.I realized | D.I did realize |
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Only then _________ that I can erase the wrong words I have written, but I can’t erase the things I have done.
A.did I realize | B.have I realized |
C.I realized | D.I did realize |