-ed and -ing adjectives

She's a big dog but you don't need to be _______

• frightened

• frightening

I loved my Maths teacher! Lessons with him were never ______

• bored

• boring

That shop never has any customers. I'm _______ it's still there.

• surprised

• surprising

The battery on my phone only lasts about two hours. It's really _______

• annoyed

• annoying

I was ________ that I didn't get the job.

• disappointed

• disappointing

I'm reading a really _______ book.

• interested

• interesting