分类：教育/科学-学习帮助
问题：JamesHreeirot'sDogStories中为什么dog? 
回答：当名词作定语修饰名词时,一般用单数,除了man 和 woman 修饰复数名词时它们本身要变成复数.例如: 
     1. an apple tree         many apple trees 
     2. a man doctor           many men doctors
     3. a woman teacher        three women teachers