liu zhong is in his___(three)year at No.1Middle School

问题描述:

liu zhong is in his___(three)year at No.1Middle School

year没有加复数s,说明three不是基数词,否则year一定要加s,three不能用基数词,还能用什么呢?答案浮出水面,估计楼主已经猜到了.