When we returned from our holidays,we found everything______

When we returned from our holidays,we found everything______.What______while we had been away?
A.changed；had happened B.changing；happened；
C.had changed；has happened D.was changing；happened
为什么第二空不能选has happened

孤单鼓手菲 1年前已收到3个回答举报

thorn5460 幼苗

共回答了15个问题采纳率：86.7% 举报

你好,
正确选项是： A
第一个空填过去分词 changed ,
found everything changed 发现一切都变了
第二个空填过去完成时
while 前后时态一致,因为 we had been away 是过去完成时,所以前面不能用现在完成时 has happened .

1年前

addijy 幼苗

共回答了399个问题举报

change要用被动语态，只有A合适。
关于has happened，整个句子全是过去时，或过去完成时，怎么可能用现在完成时？

1年前

奔珠幼苗

共回答了94个问题举报

如果是what----while we have been away的时候，这是现在某种时态（这是现在完成时），what后面才是现在某种时态，
如果像题中一样是个we had been away的时候，这是过去某种时态（这是过去完成时），what后面就是过去某种时态。
这第二个空主要考察时态一致。
望采纳
ACE英语，您身边的英语专家...

1年前

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