题目

Before the Kings returned home,the house____thoroughly.A.has cleaned B.had cleaned C.has been clea
Before the Kings returned home,the house____thoroughly.
A.has cleaned B.had cleaned C.has been cleaned D.had ben cleaned
Before是·····之前，在金回家之前，要把房子彻底打扫干净。所以是说房子还没没被开始打扫，那应该是什么时态呢？

提问时间：2021-02-08

答案

答案：D had been cleaned解释：cleaned 这个动作在returned 这个动作之前发生,所以用过去完成时,其结构是：had + 过去分词,再由于房子是被打扫,所以用被动语态,所以正确答案是：had been cleaned.祝你新年快乐,学习...