单项选择题
In some schools children who prefer to read books rather than（）football become social outcasts (被抛弃者).
A.play B.playing C.to play D.to playing
单项选择题 The opposition leaders（）the government for not taking action sooner.
单项选择题 The TV station, in（）to massive popular demand, decided to continue the soap opera (肥皂剧).
单项选择题 The association is（）to raising funds to help the blind.
