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If the whole framework of the thesis ______ beforehand, a great deal of time and
If the whole framework of the thesis ______ beforehand, a great deal of time and
游客
2024-10-22
29
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问题
If the whole framework of the thesis ______ beforehand, a great deal of time and energy would have been saved.
选项
A、was designed
B、had been designed
C、were designed
D、has been designed
答案
B
解析
虚拟语气题。考查虚拟条件句的时态问题。本句是表示与过去事实相反的虚拟语气,主句用 would have+过去分词,根据对应原则,从句应该用过去完成时。
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