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.
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.