Unit 1 Welcome back to school,A Lets spell,Welcome,Welcome back,Nice to see you again,欢迎,欢迎回来,再一次见到你(你们)真好,the USA,Canada,China,the UK,Lets chant,We are friends. We like to play. We are friends. We like to play. A boy from Canada. A girl from the UK, Friends from China and the USA,Hi, Im Amy. Im from the UK,Hi, Im Zhang Peng. Im from Shandong,Im from the USA,Im from Canada,Im from China,Im from the UK,Im from,Hello! Im,你好!我是,我来自,Lets chant,A,a,cat,bag,dad,hand,hand,dad,cat,bag,a,what can you fin