题目内容

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
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网