Zad.1 Przekształć zdania na stronę bierną.
Present simple
1 Do they clean the rooms every morning?
_______________ every morning?
2 We don’t sell these jackets at a discount.
These jackets _______________ at a discount.
3 They don’t organise the competition every year.
The competition _______________ every year.
4 How often do they check the system?
How often _______________?