Try to at least an hour every day for learning English.A. set offB. set outC. set aboutD.

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。