One of the biggest Transportationproblem are cars and buses’ pollution.有没有语法错误
问题描述：
One of the biggest Transportationproblem are cars and buses’ pollution.有没有语法错误
答
be动词应该用单数is,应为主语是单数,One of the biggest Transportation problem ,当前最大的交通问题之一是轿车和公交车的污染问题.