buatlah dialog percakapan 3 orang menggunakan should/shouldn't

A: hi b , why happen with u ?
c: right, any problem b ?
b: i get a bad score in exam
a : u should study hard b
b: i can't . i don't have time to study
c: u don't have time ?? why ?
b : i should help my mother to make cakes
a: how about course ?
b : i think i don't have money to do it
c: i think u should study with us
a : u are right c
b : okay
c: i think we should go to library now
a b : okayy