The f() ay of the week is S（）

S（ ） is the first day of a week. Sunday is the f( ) day of the week. It is Monday today,the s() day of the week. S------is the seventh day of a week. S()is the first day of a week. There are s( ) day in a week.S( )is the first day of a week. It"s the f_____day of the week. What is the ＿（one）day of the week? the fist(第一）day of the week is -------- Saturday is the _______ （seven）day of the week. sunday is the ＿day of the week（come） The fourth day of the week is---------