Completar frases UNIT 3 READING 6THVersión en línea Complete the questions and answers using past progressive. por Douglas Rivera 1 were doing was was excavating working making were studying was were thinking planning building was was 1 . What the ruler ( think ) about when he was 13 ? He ( plan ) his next life . 2 . What Mario when he was 13 ? He in school . 3 . Why men ( make ) statues for 36 years ? They ( build ) an army for their ruler ? 4 . How long the archaeologist ( work ) on the site ? They ( excavate ) it for twenty years .