Exercício 1
Escolha o modal no passado correto
6 pontos
1
The lights are off and nobody answered. They ___ gone out.
2
He ___ taken your keys; he wasn't even in the building.
3
I am not sure where she is. She ___ gotten stuck in traffic.
4
You ___ told him the secret! Now everyone knows.
5
I failed the test. I ___ revised more thoroughly.
6
They ___ arrived by now, but the storm slowed them down.