Had I known about this computer program, a huge amount of time and energy . A．would have been saved ...
2022-12-20 15:28:45 210次 2014届浙江省绍兴市高二下学期阶段性考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Had I known about this computer program, a huge amount
of time and energy .
A．would have
been saved B．had been
saved
C．will be saved D．was saved
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