of the teachers women in our school.A. Two third; isB. Two threes; areC. Two thirds; ar

问题补充：

of the teachers women in our school.

A. Two third; isB. Two threes; areC. Two thirds; are

答案：

解析：句意：在我们学校三分之二的老师是女的。分数的表达是分子用基数词，分母用序数词，分子大于一时，分母用复数形式。分数的单复数要看它所代表的词的单复数。这里teachers是复数，所以用are。故选C。

考点: 考查数词和主谓一致的用法。