If we (know) ______ the basic principles, we should have controlled the process

游客2024-07-02 11

问题 If we (know) ______ the basic principles, we should have controlled the process even better.

选项

答案 had known

解析若是能早知道这些基本原则，我们就能更好地控制其中的进程。虚拟语气非真实条件句中，主句用“should have+过去分词”，条件从句用“had+过去分词”。

转载请注明原文地址:https://tihaiku.com/zcyy/3660105.html

相关试题推荐

随机试题

最新回复(0)

Whatdoesareservationconfirmationsystemworkinthehotel?[br]Whatshould