Transform the sentences from active into passive
They cancelledthe flight to Rome.
Karl Lagerfeld designed these sunglasses.
My mum makes this salad with pickled cucumbers and fresh parsley.
They offered him a new job.
Somebody has cleaned the room.

Спасибо большое

поэтому и в скобках(просто некотроые учителя просят исполнителя действия писать)

The flight to Rome was cancelled(by them)These sunglasses were designed by K. LagerfeldThis salad is made with pickled cucumbers and fresh parsley (by my mum)A new job was offered to him (by them)The room has been cleaned ( by somebody)