There are four ____ and two ____ at the ____. 为什么是johns,marys,doctor's

问题描述:

There are four ____ and two ____ at the ____. 为什么是johns,marys,doctor's

表示 四个叫 john 的,复数加s ,mary 也一样,两个,加s
在医生诊所,所以是 doctor's