Odpowiedź:
zadanie 6.
1. How often the screens are cleand by them.
2. A vaccien will be developed by...
3. Our teacher will be told...
4. The experiments wasn't be done...
zadanie 4
1. will be continued
2. are sold in
3. when it was designed
4. have not been tested.
mam nadzieje że jest dobrze i pomogłem
