7.The millions of calculations involved, ...
7.The millions of calculations involved, ...
7.The millions of calculations involved, had they been done by hand, ______all practical value by the time they were finished.
A. could lose B. would have lost C. might lose D. ought to have lost
7.The millions of calculations involved, had they been done by hand, ______all practical value by the time they were finished.
A. could lose B. would have lost C. might lose D. ought to have lost
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