()is the first day of a week?为什么?请告诉我英语里的日期是怎么算的?

()is the first day of a week?为什么?请告诉我英语里的日期是怎么算的? which day is the first day of a week 为什么回答是It i which day is the first day of a week （ ）is the first day of a week? S()is the first day of a week. S（ ） is the first day of a week. 1.Monday is the first day of a week.________________________ Sunday is the first day of a week. What day is the first day of the week?的中文是什么? The first day of a week ( 英语） ( )is the first day in a week 括号里怎么添? There are s( ) day in a week.S( )is the first day of a week.