When solving the problem a second time, you’d better be more careful ________ you made a mistake. A....
2022-12-08 13:07:13 25次 2012-2013学年天津市高三第三次月考英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
When solving the problem a second time, you’d better
be more careful ________ you made a mistake.
A. in
case B.
where C. in
which D. that
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