Put the verbs into the Past Perfect

Before the concert started, the band (rehearse) thoroughly.

She (complete) her degree before she got the job.

They (travel) to Africa before they visited Asia.

I (lose) my keys, so I couldn't enter the house.

He (study) French before he moved to France.

They (paint) the room before the guests arrived.

We (prepare) everything before the meeting began.

The movie (start) by the time we reached the theater.

He (decide) to quit his job before he received the offer.