If the engineer (come)______here yesterday, the problem would have been solved.h

游客2024-07-14  11

问题 If the engineer (come)______here yesterday, the problem would have been solved.

选项

答案 had come

解析 本句使用了虚拟语气,句子的时间状语为yesterday,所以本句考查对过去事实的虚拟。主句谓语动词使用“would/should/could/might+have done”的形式时,从句用过去完成时,由此可以确定空格处应填入had come。
转载请注明原文地址:https://tihaiku.com/zcyy/3676574.html
最新回复(0)