Pleasehelp me choose 2 tenses

1. Have they arrived already?

2. Lucy has run 2000 metres today.

3. I’ve been cleaning all morning – I’m fed up!

4. How long have you known Simon?

5. I’ve been drinking more water lately, and I feel better.

6. Sorry about the mess! I’ve been baking.

7. How many times have you taken this exam?

8. He has eaten six bars of chocolate today!

9. Julie has cooked dinner. Let’s go and eat!

10. The students have finished their exams. They’re very happy.

11. The baby’s face is really dirty! What has he been eating?

12. Iona is exhausted these days. She has been working too hard recently.

13. Luke has never been abroad.

14. I’ve been waiting for three hours already !

15. Have you finished your homework yet?

16. How long have you been a lawyer?

17. I’ve been reading your book all day. It’s very interesting, but I’m only on

chapter 2.

18. She has drunk ten glasses of water!

19. I’ve had my dog for sixteen years.

20. Help, I’ve lost my wallet! How can I get home?