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?
3 My sister designed this necklace.
1 People invented the wheel around 5,500 years ago.
2 How do they collect the data?
3 My sister designed this necklace.
Odpowiedź:
1 The wheel was invented around 5 500 years ago.
2 How are the data collected?
3 This necklace was designed by my sister.
Wyjaśnienie: