I ________________ in the exam, but I was too careless. A.should have been careful B.must have been ...
2022-07-18 15:48:53 213次 广东省汕头市2019-2020学年高一上学期10月月考英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
I ________________ in the exam, but I was too careless.
A.should have been careful B.must have been careful
C.should be careful D.must have been careful
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