Odpowiedź :
Odpowiedź:
1. aren't
2. are produced
3. wasn't invented
4. were installed
5. weren't sold
6. is bought
Wyjaśnienie:
chodzi o stronę bierną
1. aren't handmade
2. are produced
3. wasn't invented
4. were installed
5. weren't sold
6. is bought
Mam nadzieję, że pomogłam :))