问题
选择题
The calculations, had they been done by hand, all practical value by the time they were finished. [ ]
A. had lost
B. would lose
C. should have lost
D. would have lost
答案
答案：D
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The calculations, had they been done by hand, all practical value by the time they were finished. [ ]
A. had lost
B. would lose
C. should have lost
D. would have lost
答案：D