35．1 suddenly found my watch didn ’t wolrk any more and only then was late for school．A. h

问题补充：

35．1 suddenly found my watch didn ’t wolrk any more and only then was late for school．

A. had I realized

B. I had realized

C. did I realize

D. realized I

答案：

A. had I realized

B. I had realized

(答案→)C. did I realize

D. realized I

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