问题
选择题
There are fifty students in our class, _____ of the boys _____ football.
A. two third; likes B. two thirds; like C. two thirds; likes
答案
答案：B
基数词+序数词的适当形式，表示分数，作主语时，根据其后接的词而定，如果为不可数名词，则相当于单数，如果其后接的为可数名词复数形式，则相当于复数，故选B
