Question

complete com o verbo to be no passado simples a-you---------------------at the party last night-yes, I---------------------there

Answer 1

Complete com o verbo to be no passado simples:

a) - You *were* ate the party last night
- Yes, I *was* there.

xxx
:D

Answer 2

Primeiramente vemos como usar o verbo to be no Passado Simples:

WAS                                                WERE

I                                                          You

He                                                       We

She                                                    They

It                                                           You

Logo, a frase ficaria da seguinte maneira:

You were at the party last night?

Yes, I was there.