Ответ:

1. A: hasn't come

B: has been. hasn't returned

2. A: Have you and Sandra already watched the new James Bond film?

B: have watched

3. A: Have you talked to Paul last night?

B: haven't seen

4. have visited

Verified answer

Ответ:

Объяснение:

1) She hasn't come round all week.
  She didn't go snowboarding in France
  Maybe she hasn't returned yet.
2) Have you and Sandra already watched the new James Bond film?
  Yes, we watched it yesterday.
3) Did you talk to Paul last night?
  No, I didn't see him at the party.
4) We have visited many interesting sights so far.