Краткое пояснение: Чтобы перевести предложения из действительного залога в страдательный, нужно определить подлежащее, сказуемое и дополнение. Далее меняем местами подлежащее и дополнение, а глагол ставим в пассивную форму (was/were + Past Participle).
Решение:
- 1. Hamlet was written by Shakespeare.
- 2. Penicillin was discovered by Alexander Fleming.
- 3. The bridge was constructed by the builders last year.
- 4. America was discovered by Columbus in 1492.
- 5. The thief was arrested by the police yesterday.
- 6. This beautiful picture was painted by her.
- 7. A new school was built in our town a few years ago.