Complete the sentences with the present perfect form of the given verbs

1. A: [ ] (you/see) Jack at all today?

   B: Yes, he left about ten minutes ago.

2. A: When was the last time there was an earthquake in the city?

   B: There [ ] (not/be) one since 1990.

3. A: John [ ] (not/pack) his suitcase yet.

   B: He should hurry up. His flight is leaving soon.

4. A: Jane [ ] (spend) all summer at an eco-camp.

   B: That's nice. I hope she's having fun.

5. A: We [ ] (never/experience) an earthquake.

   B: I have. It's very frightening.

6. A: Lisa [ ] (live) in Haiti since 1999.

   B: I know. I [ ] (not/see) her since she moved.

7. A: [ ] (they/rescue) any trapped people yet?

   B: Yes, they [ ] (save) six people so far.

8. A: [ ] (you/ever/volunteer) for a charity?

   B: No, but I'd like to.