2. 职称英语
  3. The millions of calculations involved, had they been done by hand, ______ all pr

The millions of calculations involved, had they been done by hand, ______ all pr

游客2023-11-23  71
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、had lost
B、would have lost
C、would lose
D、should have lost
答案 B
解析 本题测试虚拟语气：条件从句使用过去完成时，主句一般使用would have done。例如：I would have been glad if she hadn’t come this morning．如果她今天上午没来，我会很高兴的。The instructions would have been clear enough if only she had spoken in a more distinct voice．如果当时她用清晰的声音说出来，训令就不至于含糊不清。
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