Odpowiedź:
1. Those trees were planted in the times of Napoleon. (plant)
2. The wood is made into furniture. (make into)
3. Fewer chemicals will be used in the future. (use)
4. Since 1980 many animals have been saved by environmental groups. (save)
5. Chairs are made out of mahogany. (make)
6. The demonstration will be held next Tuesday.(hold)
Wyjaśnienie:
te zdania powtarzają z poprzedniego zadania...
tak jak wcześniej - strona bierna wytłuszczona, a określiniki czasu podkreślone linią
hope it helps :)