Упражнение 1 Подставьте глагол have или has (обратите внимание на правило
с какими местоимениями употребляется глагол has)
1 Sid have\has been writing a book for 3 years.
2 They have\has been building a house since 2018
3 Max have\has been driving a car since 2011
4 Marina and I have\has been dancing for 5 years.
5 Bob and Jenny have\has been collecting Olympic badges since 1994
6 We have\has been training animals at the circus since 2015