Before the Kings returned home,the house____thoroughly.A.has cleaned B.had cleaned C.has been cleaBefore the Kings returned home,the house____thoroughly.A.has cleaned B.had cleaned C.has been cleaned D.had ben cleanedBefore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？
问题描述：
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？
答
答案因该是 had been cleaned 恐怕是D吧，我看不到D的内容
答
没有d？？应该是填 had been cleaned.
答
C
答
D had been cleaned.
金一家回到家之前,房子就被清空了.
显然是被动的.
而且句子前面 returned home,已经提示是过去时.
答
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...