Past perfect vs. Past perfect continuous

I was disappointed. I had _____________ all yearm but I still I didn't have enough money.

• saved

• had been saving

Dad ______________ all morning, and the kitchen smelled great.

• had cooked

• had been cooking

They _____________ anything all day, so they were really hungry.

• hadn't eaten

• hadn't been eating

Kevin _____________ the movie three times, but he still didn't really understand it.

• had watched

• had been watching

They _____________ three kilometers when they realized they were on the wrong road.

• had walked

• had been walking

She failed the test because she _____________ enough.

• hadn't written

• hadn't been writing

Her eyes were tired because she _____________ TV for more than five hours!

• had watched

• had been watching

She bought the book on Saturday, and by Sunday evening she _____________ it all.

• had been reading

• had read