问题描述：
英语分数作主语谓语单复问题
one-third of the students in this class are girls这句子主语是谁,谓语变化有啥规律
one-third of the students in this class are girls这句子主语是谁,谓语变化有啥规律
问题解答：
我来补答展开全文阅读