Przekształć zdania na stronę bierną (present simple lub past simple). Użyj przyimka ,,by" tam, gdzie to konieczne.
1 People invented the wheel around 5,500 years ago.
2 How do they collect the data?
1 People invented the wheel around 5,500 years ago.
2 How do they collect the data?
Odpowiedź:
The wheel was invented by people around 5,500 years ago.
2. How is the data collected by them?