Resposta:

1) Who is going to bring the cake to the party?

my mother

2) Will it be am 80's theme party?

it is going to be a Halloween party

3) Who is going to the grocery store?

my uncle Joe is going to the grocery store to pick some ingredients for the cake as well as the finger food's supplies

4) Who is planning the surprise party?

I am planning the surprise party

5) what is this person going to buy?

I am going to buy the party decorations such as the wallpaper a gothlike statue and some paper-made bats

Explicação: