It is ____ walk from my home to the post office.A:two and half hours'B:two and a half hours'为什么?
问题描述：
It is ____ walk from my home to the post office.
A:two and half hours'
B:two and a half hours'
为什么?
答
B:two and a half hours'
时间的表达法
两个半小时：two hours and a half或者two and a half hours
答
Long.请问前面有没有冠词噻
答
B.中文说“两个半小时”,而英文说“两个和一半小时”.half是可数名词,不能单独出现,必须要加一个a.