Open the brackets using Past Perfect.

1) We **had repaired** the car by 9 p.m. yesterday. 2) The kids **had broken** the window before their Dad came home. 3) They **had read** the book by yesterday’s afternoon. 4) I **had not seen** him since I moved to another place. 5) She **had graduated** from the medical school before the 80s. 6) By 2000 the company **had produced** about 2,000 items. 7) As I was approaching the house I understood that I **had lost** my wallet. 8) The city **had changed** before we visited it for the first time. 9) She didn’t understand that she **had been** very rude with her mother. 10) They were glad that they **had solved** all their problems.