Definition: an amount Level: B1
这个班级的学生人数是二十。
The ___number of students in this class is twenty.
上月道路交通事故中死亡的人数下降了。
The ___number of people killed in road accidents fell last month.
一小部分孩子在家接受教育。
A small ___number of children are educated at home.
