Решение:
- 1. A lot of olive oil is used in Greek cooking. (Глагол 'use' в пассивном залоге Present Simple, так как оливковое масло используется, а не само себя использует).
- 2. Arabic is written from right to left. (Язык 'write' в пассивном залоге Present Simple).
- 3. Those programmes are watched by millions of people every week. (Программы 'watch' в пассивном залоге Present Simple, множественное число).
- 4. Stamps are sold in most newsagents in Britain. (Марки 'sell' в пассивном залоге Present Simple, множественное число).
- 5. The police say that nothing is known about the child's family. (Неизвестность 'know' в пассивном залоге Present Simple, единственное число).
- 6. In English, 'ough' is pronounced in a lot of different ways. (Слово 'pronounce' в пассивном залоге Present Simple, единственное число).
- 7. Spanish is spoken in Peru. (Язык 'speak' в пассивном залоге Present Simple).
- 8. Cricket is played by two teams of eleven players. (Вид спорта 'play' в пассивном залоге Present Simple).
- 9. Our windows are cleaned once a month. (Окна 'clean' в пассивном залоге Present Simple, множественное число).
Ответ: 1. is used, 2. is written, 3. are watched, 4. are sold, 5. is known, 6. is pronounced, 7. is spoken, 8. is played, 9. are cleaned.