yesterdays sunday there was an( ) in the people's park is sh

yesterdays sunday there was an( ) in the people's park is showed a lot of famous
photos about our city before it began the workes told us city before it began the workes told us a lot of()
about the exbition firstly we couldn't throw rubbish ( )we could put it in a smallbag and take it out of the park thirdly they didn't (）people to smoke on the xxhibition lucy and i ( )those old photos with the new ones we ouund that our city really changed a lot because there were a lot of people my wallet was ()therewe went to the lost and found office found it after we got home both of us were very （）so　we　went　to　bed　early　ninght