英语达人们,

问题描述:

英语达人们,
---How old are you?----I'm fourty-seven years old.
这句话在语法上有错吗?为什么呢?

好像不应该加“-”表示“整岁”,直接用基数词或year,age,例如“他20岁”可表示为:He is twenty. He is twenty years old. He is a twenty-year-old man. He is aged twenty. He is at age twenty. He is at th...