Unit4 Then and now A Lets learnThis is a _, we can see so many _ dining hall gym grass playground school buildingsWhat can we do on the playground ? play football (run/jump )What is it ? gymWhat can we do in the gym ? play basketball play ping-pong play tennis play badmintonWhere are they ? dining hall What can we do in the dining hall? have lunchWhat are the differences? twenty years ago nowWhat are the differences ? There was no gym in the school twenty years ago. Now there is a new one in the