Odpowiedź:
Zadanie 1
1. Vaccines aren't produced in this factory.
2. Penicilin was discovered by Alexander Fleming in 1928.
3. Photos will be uploaded at the weekend.
4. Five songs have been recorded so far
Zadanie 2
1. hasn't see
2. has worked
3. has
4. is doing
5. moved into
6. Do Susan and Alex did
7. wears
8. stopped
Nie mam pewności czy wszystko z tego jest dobrze ale nie bójcię się mnie poprawiać w komentarzach :)