“为什么我不得不去参加Carol的生日派对？”的英语。

Why should I go to Carol's birthday party? I don't want to.
You have to, because everybody would be there.

Why must I go to Carol's birthday party? I would not like to go.
You have got to go, because everyone else will do.

why I have to go to Carol's birthday party? I don't want to.
you have to because everyone will be there

why do i must come to Carol party? i don`t wanta be there

you have to, `cause nobody wanta stay here but you.

Why do I have to go to Carol's birthday party? I don't wanna go.
You have to because everyone's gonna be there.

"Why (do)I must go to the Caral birthday party?"
"You have to, because everyone else will be present."