【题目】Tommy is the one of the boys who _______ the most leading role in our school football team.
A. plays B. play
C. are played D. are playing
在线课程【答案】A
【解析】考查主谓一致。定语从句先行词结构是“one of the+复数名词”，引导词充当主语时，谓语动词用复数形式。定语从句先行词结构是“the(only) one of the+复数名词”,引导词充当主语时，谓语动词用单数形式。故选A。