Write already or yet in the correct place:

1. Nick has drunk a cup of tea.
2. I haven't swept the floor. It is very dirty.
3. She has seen this film.
4. The boys have broken a new vase.
5. Have they copied the text?
6. I have sent an SMS to my friend.
7. Tim hasn't been at the concert.
8. She has read an interesting article.
9. They haven't invited their neighbours.