问题补充:
Try to at least an hour every day for learning English.
A. set off
B. set out
C. set about
D. set aside
答案:
A. set off
B. set out
C. set about
(答案→)D. set aside
解析:考查set短语词义辨析。句意:争取每天抽出至少一小时学习英语。Set off动身,着手做某事;set out出发;set about着手做,开始;set aside(为某种目的)留出、拨出(钱、时间)符合句意。