I have been staying up until midnight since Monday, working on my paper. I need to some sleep this weekend.
A. catch up on
B. live up to
C. get along with
D. make sense of
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(答案→)A. catch up on
B. live up to
C. get along with
D. make sense of
解析：A. catch up on赶上；得到……消息；弥补，B. live up to符合，达到…，不辜负，C. get along with和…相处，进展，D. make sense of理解，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。选A。