Question

__of the teachers in this school is 100,__of them are men teachers

A..The number;first fourth B. The number;one fourth
C.A number;one second D.A number;three quarters

Answer 1

选b

the number of ... “...的数量”，作主语时，谓语动词用单数
a number of ... “大量的”，修饰主语时，谓语动词用复数

分数表达方法：分子用基数词，分母用序数词

Answer 2

B. The number;one fourth
这个学样的老师数是100，四分之一是男老师。