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

游客2024-07-23 49

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

选项

答案 had come

解析本句为虚拟语气句，句子的时间状语为yesterday，所以本句考查对过去事情的虚拟。从句需要使用had done形式，主句需要使用would/should/could have done的形式。由此可以确定从句部分应填入come的过去分词形式had come。

转载请注明原文地址:https://tihaiku.com/zcyy/3689483.html

相关试题推荐

随机试题

最新回复(0)

Iftheengineer(come)______hereyesterday，theproblemwouldhavebeensolved．had