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

She (lock) the doors before she left for the holiday.
They (watch) the show for three seasons when it was canceled.
He (save) enough money before he bought the new car.
I (work) on the proposal all night when I finally submitted it.
She (meet) his parents before they got engaged.
They (run) the restaurant for five years when they decided to sell it.
He (write) the report before the meeting.
I (study) chemistry before I switched to philosophy.
She (prepare) the contract before the client signed it.
They (travel) in Asia for six months when they decided to extend their trip.