seven ____ (twelve)of the students in our class have read the book.

问题描述:

seven ____ (twelve)of the students in our class have read the book.

twelfths

不太清楚

twelfths
seven-twelfth 或 seven twelfths 7/12
数词+序数词 表示 几分之几

one thirds 1/3
seven twelfths 7/12

twelfths
这里是表示分数,表达的是十二分之五.
所以是seven twelfths