Past Simple vs Past Perfect - odpowiedzi

• After we discussed / had discussed it on the phone, I wrote him an email about it.
• Before we took Bob to the theatre, he had never seen a stage play before.
• By the time we arrived, the football match had finished.
• He promised / had promised to do the job in an hour, but he still hadn’t finished by 7 o’clock.
• I had just cleaned the carpet when the dog came in and shook himself.
• By the time I arrived, the concert had finished.
• I rang the shop as soon as I checked / had checked the contents of the box.
• They locked / had locked the door before I got there.
• We had a good rest when our guests had all left.
• When she rang the office this morning, Tom had already gone out.