2✰✰ Choose the correct words to complete the passive questions. 1 Who this painting was/was this painting painted by? 2 How pottery made/is pottery made? 3 How the exhibition is planned/is the exhibition planned each year? 4 Where were the paintings shown/are the paintings shown last year? 5 How are the sculptures kept/were the sculptures kept safe in the museum now? 6 Who was this dress / were this dress designed by?