Nowadays children have to take arts, music and sports classes in their free time busy schoolwork.
A. rather than
B. owing to
C. apart from
D. expect for
网友回答
A. rather than
B. owing to
(答案→)C. apart from
D. expect for
解析：考查介词短语。apart from“除了……之外”，符合句意“如今的孩子除了繁重的学校作业外，他们还要在业余时间不得不上绘画，音乐和体育课”。rather than“而不是”；owing to“因为；由于”；expect for排除的是细节。