Change the verbs in brackets into the present perfect.

16. Harry has done the housework. 17. Kate and Bill have found a new flat. 18. Nick has sent an email. 19. I have tried to learn Japanese. 20. Sam and Dave have eaten all the sandwiches. 21. We have just met an American actor. 22. Your husband has sold the house? 23. I have not started my new job yet. 24. You have been to New York before? 25. Ann has not chosen the dessert yet.