Complete the sentences with: have/has been or have/has gone

1. A: Where are Galina and her mum?
B: They ... on a ferry ride.

2. I don’t live in Liverpool. I ... only ... there once.
3. Dina is alone in the house. Her parents ... to the supermarket.
4. A: Is Anton at home?
B: No, he ... to work.

5. My brother wants to go on holiday to St Petersburg this summer, but I ... already ... there.

6. Alina has just come home. She ... at the sports center.