【题目】He felt happy when his boss stated that he could some time for exercise.
A. set about B. set down C. set off D. set aside
在线课程【答案】D
【解析】本题考查动词短语词义辨析。A. set about开始，着手做某事；B. set down记下，写下；C. set off出发，动身，D. set aside把…放到一边，省出。句意：当他的老板表明他可以留出点时间来锻炼时，他很开心。根据句意可知选D。