关于four－year－old－－－children are too young to go to schoolA fo

关于four－year－old
－－－children are too young to go to school
A four－year－old
B four－years－old
C four years old
D four year old
答案是A．为什么A是对的?为什么C不对?麻烦分析一下

├┐ 1年前已收到4个回答举报

北溟友鱼幼苗

共回答了23个问题采纳率：91.3% 举报

four-year-old 和four years old都可以指“四岁”,但用法上有不同.
前者只能用在名词和人名前,作定语.后者只能用在名词、系动词之后,作表语.

1年前

北方的鱼儿幼苗

共回答了45个问题举报

因为句中要的是一个形容词啊

1年前

ahappypig 幼苗

共回答了1个问题举报

因为four－year－old 是定语,可修饰名词
而four years old是表语,不可修饰名词

1年前

jdrhswgvawf 幼苗

共回答了52个问题举报

A为形容词，在这里可以修饰名词
而C则作为表语
类似于face-to-face，face to face

1年前

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