I donnot think three days is enough for such a trip.为什么是is呢?老师说th_英语解答

I donnot think three days is enough for such a trip.为什么是is呢?老师说three days 是...
I donnot think three days is enough for such a trip.为什么是is呢?老师说three days 是概念,不是指天数.但我不懂.求详解

人气：311 ℃　时间：2019-10-26 06:58:56

解答

时间、钱、数量做主语的时候,都被视为第三人称单数.这是习惯用法.