40. These trees … last autumn. a) are planted b) were planted c) will plant

Перевод задания: Выберите правильный вариант.

These trees were planted last autumn. (Эти деревья посадили прошлой осенью.) Выбран вариант b: действие совершено в прошлом и выражено пассивной конструкцией were planted. (The action happened in the past and is expressed with the passive form were planted.)