Adjectives ending in '-ed' and '-ing'

I loved my maths teacher! Lessons with her were never ___. (BORED/BORING)

The children were so ___ they couldn't sleep. (EXCITED/EXCITING)

The instructions for my new coffee machine are really ___. (CONFUSED/CONFUSING)

The battery on my phone only lasts about two hours. It's really ___. (ANNOYED/ANNOYING)

I'm reading a really ___ book. (INTERESTED/INTERESTING)

She's a big dog but you don't need to be ___. (FRIGHTENED/FRIGHTENING)

I was ___ that I didn't get the job. (DISAPPOINTED/DISAPPOINTING)

That shop never has any customers. I'm ___ it's still there. (SURPRISED/SURPRISING)