Respuesta :
Respuesta:
you ever (been) to Australia?
(discovered) a new cure for that disease.
(became) in a very successful singer.
(finished) his homework?
(did not/didn't finish) the dessert.
(did not/didn't find) the keys.
(worked) in this factory since 2008
(did not/didn't study) for five hours.
(lived) in that flat all their life.
(seen) my dog?
Explicación:
no se si esta bien la verdad.