Правильно ли написаны вопросы и ответы к ним? is she having a party? - yes.she's going to buy a new dress. is father going to wear a coat? - no, he's going to wear a polo. is you going to wear a blazer? - no.i am going to wear a coat.

Is she having a party& - Yes. She is going to buy a new dress.
Is YOUR father going to wear a coat& - No ,he ISN'T going to wear a polo.
ARE you going to wear a blazer? - No , I am not going to wear a coat.

Is she having a party?
-Yes, she is. She is having a party.
Is you father going to wear a coat?
-No , he isn't. He id going to wear a polo.
Are you going to wear a blazer?
- No, i'm not. I going to wear a coat.