Преобразовать предложение из активного в пассивный голос

1-Somebody cleans this room every day.

2-Somebody built this house in 1895

3-They will open the new sports centre soon.
4-People make jam from fruit.

!. This room is cleaned by somebody every day.2. This house was built by somebody in 1895.3. The new will be opened by them soon.4/ Iam is made from fruit by people.