Question

this is a big class and_of the students are girls

this is a big class and_of the students are girlsa.two third b.second three c.two thirds d.two three

Answer 1

选c
这是英语中几分之几的表达方法
this is a big class and two thrids of the students are girls.
这是一个大班，三分之二的学生是女孩。

Answer 2

选C，三分之二。分子用基数词，分母用序数词，当分子大于1时，分母要加S。
句意：这是一个大班，三分之二的学生是女孩。