Questão 29 - Fatec 2012 - 2º Semestre - Prova

They have implement Kennedy’s Operation Ceasefire, as it has come to be known, in more than 70 cities.

They had implemented Kennedy’s Operation Ceasefire, as it has come to be known, in more than 70 cities.

They were implemented Kennedy’s Operation Ceasefire, as it has come to be known, in more than 70 cities.

They had been implementing Kennedy’s Operation Ceasefire, as it has come to be known, in more than 70 cities.

They have been implementing Kennedy’s Operation Ceasefire, as it has come to be known, in more than 70 cities.