one and a half hours 和 one hour and a half的意思一样吗 是one and half hours还是one and half hour? 不是说表示半小时的时候,half前加a吗?如one hours and a half 或one and a half hours one hour and a half 是一个半小时 两半小时是不是 two hours and a half? 一个半小时的英文是one and half hours 为什么...
2.How long did the meeting 1ast? A.For two and a half hours. B.For three and a half hours. C.For four and a half hours.