He is busy writing the article all the morning, only ________ occasionally to have a cup of coffee. ...
2022-11-05 03:38:57 121次 2014-2015学年湖北荆门市高三元月调研考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
He is busy writing the article all the morning, only ________ occasionally to have a cup of coffee.
A. breaking off B. breaking down
C. breaking through D. breaking up
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