三一口语三级PPTI s your school big?Yes, it is.No , it isnt.There is in my school.There are , in my school.Playground What can we do on the playground?We can run on the playground.We can play basketball on the playground.Basketball StandsWhat can we do in the computer room? we can surf the internet. we can play computer games. we can chat on line.What can we do in the art room? I can draw a picture there.Who works there?My teacher works in the teaching building.What can we do in the library? we can rea