4.Esen hasn't seen an opera.

5. Aziz has swum in the sea.

6.Aliya has read a novel.

7. Has O.been to London?

8. Aziz has had a quiet week.

9. Karina has spent hours on the beach.

10. Has N.met a famous singer?

11. R. hasn't been hiking in the mountains.

12. Have you broken your leg?