It was a serious mistake, ______ caused by carelessness. A.which I think wasB.which I think it was C

题目简介

It was a serious mistake, ______ caused by carelessness. A.which I think wasB.which I think it was C

题目详情


It was a serious mistake, ______ caused by carelessness.
A.which I think wasB.which I think it was
C.I think which wasD.that I think it was
题型:单选题难度:偏易来源:不详

答案

A
考查定语从句。句中I think为插入语,先行词为a serious mistake,在从句中作主语。句意:它是一个严重的错误,我认为是有粗心引起的。

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