( )of the student took part the sports meeting a.ninth tens b.nine tenths c.ninth tenth d.nine tens
问题描述：
( )of the student took part the sports meeting a.ninth tens b.nine tenths c.ninth tenth d.nine tens
答
( )of the student took part the sports meeting a.ninth tens b.nine tenths c.ninth tenth d.nine tens
选B
这是一道分数的表达
分子用基数词,分母用序数词,如果分子>1,那么分母后面要加s的