—Tom, why are you so unhappy? — I didn’t get full marks in the exam _____ carelessness. A.since B.be...
2022-08-05 23:54:00 49次 江苏省扬州市教育集团树人学校2017-2018学年九年级上学期期末英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Tom, why are you so unhappy?
— I didn’t get full marks in the exam _____ carelessness.
A.since B.because of C.as a result D.in order to
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