buatlah dialog dengan menggunakan kata must dan have to

me : elly, what is wrong with your face? what make you sad?
elly : you know what? i have to take remedial test for chemistry
me : elly, you must feel that today is your bad day. But, you must not think like that.
elly : so, what shall I do?
me : All you need to do is, you have to study chemistry anyway, even though you do not like it.
elly : okaayy. That help me a lot :)))