说明
two months is
核心问题
Two months is quite a long time.
主语用复数名词(months)，谓语动词为什么用单数(is)呢？
词典解答
见 year ，minutes，dollar，miles。
month ²
two months is
two months is
two months is
Two months is quite a long time.
主语用复数名词(months)，谓语动词为什么用单数(is)呢？
见 year ，minutes，dollar，miles。