1. As the percentage of young people working in paid jobs increased, their time devoted to _____work decreased.
A. voluntary B. ordinary C. necessary D. primary
2. I had an important unexpected guest; otherwise I _______ your wedding anniversary last night.
A. would attend B. would have attended C. attended D. had attended
3. His legs were broken _________the injuries to his face and hands.
A. except B. beside C. apart from D. except for
