Past simple vs past perfect simple 9 - tutto inglese - Imparare l'inglese gratis on line

She (rehearse) her speech before she (deliver) it at the conference.
He (secure) the boat before the storm (come).
She (label) all the boxes before the movers (arrive).
I (finalise) the plans before we (announce) the project.
He (change) the oil in the car before he (sell) it.
She (delete) the old files before she (upgrade) the computer.
They (savor) the peace and quiet before the kids (wake) up.
I (complete) the puzzle before my brother (arrive) to help.
He (adjust) the settings before the presentation (be/deliver).
They (extinguish) the fire before the firefighters (arrive).