I remembered that the air conditioners _____ turned off before I
分类: 英语（专升本）(z0009)发布时间: 2024-09-16 17:53浏览量: 0
I remembered that the air conditioners _____ turned off before I left home. A、were B、were to be C、had been D、have been 【正确答案】：C 【题目解析】：考查动词的时态。句意：我记得在离开家之前空调已经关上了。turn off的动作发生在left home之前，因此要用过去完成时态。