Question

" My cat and I ________best friends when I ______a child." *
was - were
are- am
were- was
am- am​

Answer 1

resposta:
my cat and I was best friends when I were a child

Answer 2

Resposta:

My cat and I were best friends when I was a child.

Explicação:

Pois, de acordo com o verbo to be no passado simples, a frase “my cat and I” corresponde a we are, que no passado seria were, logo se tornando l, “we were best friends” e “when I was a child” corresponde a I am, que no passado se torna “I was”.

Espero ter ajudado!!