Monday is their busiest day in a week为什么不用the busiest如题

Monday is their busiest day in a week为什么不用the busiest如题 Monday is our( )day.为什么填busiest 而不是the busiest? Monday is my ——day.为什么选：busiest 不选the busiest?3Q 在线等monday is my busiest day 为什么busiest前不加the Firday is my ( ) day of a week A the busiest B busiest C bus F_____ is our busiest day in a week. 今天是我最忙的日子.Today is my busiest day.为什么busiest 前不用加the? She is the busiest one in my He is the busiest man______ his office?A.in B.of.应该填什么?in 还是 Who is the busiest in your family 是什么意思 My mother is the busiest one in my family. Nanjing Road is the busiest street in Shanghai.Nanjing Road