Решение:
Преобразуем предложения в пассивный залог.
- Visitors mustn't eat food in the museum. → Food mustn't be eaten in the museum.
- Shakespeare wrote Romeo & Juliet. → Romeo & Juliet was written by Shakespeare.
- Viktor will paint Dina's portrait. → Dina's portrait will be painted by Viktor.
- People can buy tickets online. → Tickets can be bought online.
- Photographers have photographed her many times. → She has been photographed by photographers many times.
Ответ: Food mustn't be eaten in the museum. Romeo & Juliet was written by Shakespeare. Dina's portrait will be painted by Viktor. Tickets can be bought online. She has been photographed by photographers many times.