HF-24

例句：

1. 1.The total number of students in the class is twenty-four.
   班级里总共有二十四名学生。
2. 2. We need to divide the work evenly among twenty-four people.
   我们需要把工作平均分配给二十四个人。
3. 3.The teacher asked us to count from zero to twenty-four.
   老师要求我们从零数到二十四。