Make these sentences passive. 1.They have published her new book recently

Make these sentences passive. 1.They have published her new book recently 2.The town counceil has just opened our local museum. 3.Their house looks very smart after they have painted it 4.The room looks nice.Somebody has cleaned it. 5.My dress is clean.Someone has washed it. 6.Dinner is ready and hot.Someone has just cooked it. 7.They have opened a new theatre in the city. 8.There are no letters on the table.Somebody has posted them.