Объяснение:

Курчаново смотри ).......

1)I have never been to the USA. I want to go there this summer but I can't.

2)he lived on this street all his life.

3)his father came back to London last Sunday.

4)Yan wrote a letter to Nick 2 days ago.

5)he sent his letter yesterday.

6)they just bought a some postcards .