If I out of my ink I would have finished writing the paper.A. didn’t runB. shouldn’t runC

问题补充：

If I out of my ink, I would have finished writing the paper.

A. didn’t run

B. shouldn’t run

C. haven’t run

D. hadn’t run

答案：

A. didn’t run

B. shouldn’t run

C. haven’t run

(答案→)D. hadn’t run

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