8) yo trabajaba en esa empresa is best transalted as ?
a) i am working for that company
b)once i worked for that company
c)i never worked for that company
d)i used to work for that company

9) which of the following options is the best to complete the sentence?
cuando ellos llegaron,

a) hablo por telefono
b)hablaron por telefono
c)hablaba por telefono
d)hablaban por telefono