题目内容
【题目】I have been staying up until midnight since Monday, _____ on my paper. I need to catch up on some sleep this weekend.
A. working B. worked
C. works D. to work
【答案】A
【解析】
试题分析:句意:自从星期一我就一直熬夜到午夜,写我的论文,我这个周末需要补觉。使用现在分词做伴随状语,选A。
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