Question

complete com simple past e o past continuous c) when they (see) the shark they ( swin) in the sea
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Answer 1

Resposta:

c. When they saw the shark they were swimming in the sea.

   Quando eles viram o tubarão, eles estavam nadando no mar.

Explicação:

saw - passado de ''see''  - viu - vimos - vi

were swimming - past continuous - estavam nadando - estávamos nadando