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Uzupełnij zdania poprawnymi formami strony biernej, tak aby zachować znaczenie zdania wyjściowego.
1 Isaac Newton discovered gravity.
Gravity _______________ by Isaac Newton.

2 Millions of people visit this website every day.
This website _______________ by millions of people every day.

3 They didn’t deliver my new speakers yesterday.
My new speakers _______________ yesterday.

4 We don’t use these devices very often.
These devices _______________ very often.


Odpowiedź :

1. Gravity was discovered by Isaac Newton.

2. This website is visited by millions of people every day.

3. My new speakers weren't delivered yesterday.

4. These devices aren't used very often.