Buatlah percakapan menggunakan kata must

A : Hey, B, let's go to the game center!
B : I can't, I must help my mother to take care of something.
A : Really? Then I must help her too.
B : Okay. We can play next week.
A : Fine, but we must go next week. Don't forget!
B : Yup

Jonny : Hai
Sisca : Hallo
Jonny : How are you today ?
Sisca : I'm fine . How about you ?
Jonny : I'm fine too thank you
Sisca : Oh yeah i remember that you very like reading a novel , yesterday i found a good bookstore in Jl.Merdeka , so i think you must go on to looking for or buy a novel
Jonny : Oh thak you sisca