Odpowiedź :
Odpowiedź:
Wyjaśnienie:
1.They painted the room white
The room was painted white.
2.How do they make it?
How is it made?
3. Who invented it?
Who was it invented by?
4.No one uses those devices anymore.
Those devices aren't used anymore.
5. They didn’t install those screens all that long ago.
Those screens weren't installed all that long ago.
6. How often do they check these machines?
How often are these machines checked?