问题补充:
Though the working mother is very busy, she an hour every day to spend with her daughter.
A. set out
B. set off
C. set about
D. set aside
答案:
A. set out
B. set off
C. set about
(答案→)D. set aside
解析:考查动词短语:A. set out 开始,B. set off出发,引发,C. set about开始,D. set aside放置一边,留出,句意:虽然这个工作的妈妈很忙,她每天留出一个小时和女儿呆在一起。选D。