Present Perfect or Present Perfect Continuous ?

My sister ___________ this book since 3 p.m.

• has read

• has been reading

I _________ this film, it's really very interesting.

• already saw

• have already seen

I __________ just joined the Computer Club.

• have

• have been

They ___________ studying for the exam for the last 3 days.

• are

• have been

Have you _________ yet?

• finished

• been finishing

She ___________ shopping for 3 hours and she is very tired.

• has done

• has been doing

I __________ to the new café yet.

• have not been

• have not seen

She __________ at the clothes shop for 2 days.

• has worked

• has been working

So far I __________ two girls, Sara and Marie.

• have met

• have been meeting

I'm exhausted because we _________all morning.

• have been swimming

• have swum