Past simple vs past perfect simple 2 - tutto inglese - Imparare l'inglese gratis on line

They (solve) the puzzle before lunch (be) ready .
I (wash) the car before it (rain).
He (check) the results before he (submit) the report.
She (lock) the doors before she (leave) the house.
We (discuss) the plan before the meeting (start).
He (repair) the fence before the neighbors (complain).
She (set) the table before the guests (arrive).
They (order) the tickets before the concert (sell) out.
I (fill) the gas tank before the prices (increase).
He (warn) everyone before the situation (escalate).