10. Read the sentence. Choose the correct passive form. Mary cuts bread with a knife. Options: Bread is cut by a knife by Mary. Bread has been cut with a knife by Mary. Bread was cut with a knife by Mary. Bread is cut with a knife by Mary.

Перевод задания: Прочитайте предложение. Выберите правильную пассивную форму.

Bread is cut with a knife by Mary. (Мэри режет хлеб ножом.)

Исходное предложение стоит в Present Simple. Пассивная форма Present Simple образуется с помощью am/is/are + причастие прошедшего времени. Поэтому выбираем is cut; сочетание with a knife передаёт инструмент.