3.there are four ___ in our office

问题描述:

3.there are four ___ in our office
(women cadre,women's cadre,women cadres)
选哪一个,为什么?

以man或woman为前缀的名词变复数时,前后两个名词都变成复数.例如:woman doctor→women doctors,man waiter→men waiters.所以选第三个.