Present Perfect Simple or Present Perfect Continuous

1. ___________________ (they / arrive) already?

2. Lucy ___________________ (run) 2000 metres today.

3. I ___________________ (clean) all morning – I'm fed up!

4. How long ___________________ (you / know) Simon?

5. I ___________________ (drink) more water lately and I feel better.

6. Sorry about the mess! I ___________________ (bake).

7. How many times ___________________ (you / take) this exam?

8. He ___________________ (eat) six bars of chocolate today!

9. Julie ___________________ (cook) dinner. Let's go and eat!

10. The students ___________________ (finish) their exams. They're very happy.