1. My brother's been in New York ............ four years.
2. We've had our goldfish......... six months.
3. I've played in this band ............ March.
4. I've lived in this city ................. . I was born.
5. There have been strange objects in the sky. ........ three nights.
6. Serena has had a toothache ............... Saturday.
7. I've had this mobile phone ............ ages
8. We've known each other ........... 2017