предлог
из, от, у, о
ОсновнойUsed to show a relationship between two things, such as belonging, origin, or part of something.
A cup of tea, please.A1
Чашку чая, пожалуйста.
The roof of the house is old.A1
Крыша дома старая.
One of the windows is open.A1
Одно из окон открыто.