If you _____ stayed at home, this would never have happened.
分类: 英语（专升本）(z0009)发布时间: 2024-09-16 17:52浏览量: 1
If you _____ stayed at home, this would never have happened. A、have B、had C、will have D、would have 【正确答案】：B 【题目解析】：if引导的条件状语从句，表示对过去事实的假设，从句要用had done.