Idon’tthinkitwasmycarelessnesstha

发布时间:2020-07-26 15:24:38

I don’t think it was my carelessness that caused such a great loss to our school, ________?A.do IB.wasn’t itC.didn’t itD.was it

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D解析主从句的反意疑问句要和主句一致,本句要和it was…一致,而且考虑到I don’t think的否定转移,所以实际上是it was not…。
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