Present Perfect vs Present Perfect Continuous

I _______ (write) five emails today.

Sorry, the kitchen's a mess. Ollie ______ (cook).

Sorry, I'm late! Have you _______ (wait) long?

He ______ (learn) English for six years.

I ________(see) that film! It was terrible.

They've been playing for forty minutes but no one ________ (score) a goal yet.

We ________ (know) each other for years.

Hey, you look different. Have you _______ (change) your hair?

Can we go if we___________________(finish)?

He's waiting for Amy. He arrived 40 minutes ago.

• He's been waiting for 40 minutes.

• He waits for 40 minutes.

• He's waited for Amy for 40 minutes.