Did x was doing: Qual utilizar?

Olá
estou estudando por conta propria o simple past e o past continuos
achei em um livro um exercicio que me deixou com duvidas
o nome do exercicio é esse : did or was doing

We (have)a very traumatic situation a few years ago. we (be/have)our first vacation together and it was the most frightening situation we have ever had
there was a huge tsunami and everythink got devastated. we (be/walk)down the street when suddenly people (start) to run one into the other.

e assim continua ..

gostaria de saber qual a maneira correta de preencher esse exercicio e como se chega a resposta

Obrigada !
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Avatar do usuário Donay Mendonça 55050 21 90 1296
Janaína,

We had a very traumatic situation a few years ago. We were having our first vacation together and it was the most frightening situation we have ever had
There was a huge tsunami and everythink got devastated. We were walking down the street when suddenly people started to run one into the other.


==> O contexto e as opções entre parêntese(have, be/have)nos dizem quando usar o 'passado simples' e o 'passado contínuo'.


Bem Vinda Ao Fórum!
entendi , Obrigada !