Odpowiedź:
Did people go skiing in 1900? - yes, they were skiing
2 Were Marie and Pierre Curie Russian? no, they were from Poland
3 Did people go to school in 1900? yes, they were going to school
4 Was Pablo Picasso an artist? yes, he was a Painter
5 Were the Brothers Grimm writers? no, they were writing songs
6 Did people travel by train in 1990? yes, they did
Wyjaśnienie: