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 .
When we returned from our holidays,we found everything______.What______while we had been away?
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
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
英语人气：441 ℃时间：2019-08-20 22:01:33
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