It was quite a serious mistake, ____caused by carelessness. A.which I think wasB.I think which wasC.

题目简介

It was quite a serious mistake, ____caused by carelessness. A.which I think wasB.I think which wasC.

题目详情

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

答案

A                       
which引导非限制性定语从句, I think是插入语 

更多内容推荐