2. 职称英语
  3. 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2023-11-11  20
问题 If the whole framework of the thesis ______ beforehand, a great deal of time and energy would have beeh 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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