题目
虚似语气选择题
Without electronic computers, much of today’s advanced technology achieved.
A. will not be B. would not be
C. would not have been D. cannot have been
选什么,原因
Without electronic computers, much of today’s advanced technology achieved.
A. will not be B. would not be
C. would not have been D. cannot have been
选什么,原因
提问时间：2021-05-03
答案
选B
如果是对现在的虚拟,从句用一般过去时,主句用过去将来时
可以看一看对称的形式:
现在虚拟 did would do
过去虚拟 had done would have been done
如果是对现在的虚拟,从句用一般过去时,主句用过去将来时
可以看一看对称的形式:
现在虚拟 did would do
过去虚拟 had done would have been done
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