The millions of calculations involved, had they been done by hand,______all prac

游客2025-04-17 1

问题 The millions of calculations involved, had they been done by hand,______all practical value by the time they were finished.

选项 A、could lose
B、would have lost
C、might lose
D、ought to have lost

答案 B

解析本题测试虚拟语气过去时，had they been done by hand意为“如果用手计算的话”为省略if的虚拟条件句，所以主句应选would have lost。

转载请注明原文地址:https://tihaiku.com/zcyy/4041649.html

相关试题推荐

随机试题

最新回复(0)

Itisnotunusualforchiefexecutivestocollectmillionsofdollarsayear