which day is the first day of a week

which day is the first day of a week which day is the first day of a week 为什么回答是It i Which day is the second day of a week 回答 which is the first day of a week. a.tuesday b. sunday c.satu （ ）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. There are s( ) day in a week.S( )is the first day of a week. which is the last day of a week? Sunday is the last day of a week Monday is the first day of