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

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

admin2012-09-17  42
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://kaotiyun.com/show/TvlK777K
本试题收录于： 大学英语三级A级题库大学英语三级分类
0

大学英语三级A级

大学英语三级

相关试题推荐
随机试题
最新回复(0)