1.Our friends have known this doctor fo five years
2.How long has Margaret lived in Moscow?
3.I have already travelled to Italy.
4.Have gou ever visited the Hermitage?
5.Sergeyhas always wanted to builta house.
6.We have been parents for three year
1. Our friends have known this doctor for years.
2. How long has Margaret lived in Moscow?
3. I have already travelled to Italy.
4. Have you ever visited the Hermitage?
5. Sergey has always wanted to build a house. (Здесь у Вас ошибка, либо же ошибка в самом учебнике)
6. We have been partners for three years.
