Choose the correct answer.
I ... was forgetting used to forget had forgotten all about the music box until I ... would find found had been finding the key in my grandmother’s desk. I ... had been cleaning cleaned had cleaned out her room when I stopped for a break. Alright, the key ... hadn’t been falling wasn’t falling didn’t fall out of the desk exactly, but my grandmother was no longer here to say anything. It ... didn’t take hadn’t taken wasn’t taking me long then to find the music box and it was soon in my shaking hands. I ... had imagined was imagining had been imagining opening the box again but suddenly the warning of my dead grandmother ... came were coming used to come back to me: ‘Never open the box without me!’. True, we ... used to open were opening had been opening the box together but that was a long time ago and my grandmother ... had died died was dying since then. What harm could it do to listen again? Slowly, I ... had put was putting put the rusty key in the lock of the music box…
