I kept ______ the incident, asking myself again and again how it could have happened. A. chewing on ...
2022-09-20 07:51:23 103次 江苏省2017-2018学年高二下学期期中考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
I kept ______ the incident, asking myself again and again how it could have happened.
A. chewing on B. sticking to
C. referring to D. relying on
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