Question

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
可以帮我详解一下这道题吗？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？

Answer 1

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。

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Answer 2

C

Answer 3

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.

Answer 4

答案因该是 had been cleaned 恐怕是D吧，我看不到D的内容

Answer 5

没有d？？应该是填 had been cleaned.