1.I help my mother on Sunday.(Did )you(help )your mother on Sunday?Yes,(I ) (did ).2.I`mgoing to the park tomorrow?(Will )you(go )to the park tomorrow?Yes,(I ) (will ).3.He likes swimming.(Does )he(like )swimming?Yes,he(does ).4.The ducks are eating our picnic.(Are )the ducks (eating )our picnic?Yes,(they)(are ).5.Beijing has got fourteen million people.( Has )Beijing(got )fourteen million people?Yes,(it )(has ).