单选题 As time is limited, we should ______ other work and focus on this project.
A. put up B. put aside C. put out D. put on

【正确答案】 B

【答案解析】[考点] 短语辨异。put up建造、设立、提高、增加，put aside放在一边、储存，put out熄灭、关掉、生产、发布，put on穿上、戴上，选B。