Ответ:

1. He didn't show up at the party.

2. Has she ever visited Italy?

3. Have they finished the project?

4. He gave me the wrong phone number.

5. We have never met before.

6. Are you throwing a party?

7. I am playing this board game.

8. I haven't seen you for ages.

9. She came up with a great playlist for a party.