Ответ:

4.

1) has gone to

2) has been to

3) have gone to

4) has gone to

5) has been

6) have not  been

5.

2) He hasn't eaten anything since yesterday afternoon

3) I haven't visited my grandparents for months

4) They haven't heard from Daniar since last summer

5) Ainash hasn't have a holiday for two years