You went back to your home town after many years. It wasn't the same as before. (it/change/a lot)
It had changed a lot.
When I got home, Mark was sitting in front of the TV. He had just turned it off. (he / watch / a film)
He had been watching a film.
The children were wet because they ........... football in the rain.
had been playing
I was disappointed when I had to cancel my holiday. (I/look/forward to it)
I had been looking forward to it.
I was late to work because I ....... the bus. (had missed / had been missing)
had missed
Fred answered my question although I (ask/not).... him.
I hadn't asked
I couldn't pass the subject last year because I... (turn in) the assignments during the terms.
hadn't been turning in
It was nice to see Dan again after such a long time. (I / not/ see/ him for five years)
I hadn't seen him for five years.
I invited Rachel to the party, but she couldn't come. (she/arrange/to do something else)
She had arranged to do something else.
We lived in the house that my father....(had been building / had built)
had built