A,a,Unit 1 Hello,Hello,Im,你好，,我是,Hi,Im,你好，,我是,Whats your name?,Im Liu Tao.,Im Yang Ling.,Whats your name?,Im,Nancy.,Im Mike.,Im David.,Mike,David,Nancy,Liu Tao,Yang Ling,Nancy,Mike,David,Liu Tao,Yang Ling,Nancy,Mike,David,Liu Tao,David,Liu Tao,Yang Ling,Nancy,Mike,David,Liu Tao,Yang Ling,Nancy,Mike,David,Yang Ling,Mike,Liu Tao,Yang Ling,Nancy,Mike,David,Liu Tao,Yang Ling,Nancy,Mike,David,Nancy,Mike,Liu Tao,Yang Ling,Nancy,Mike,David,Liu Tao,Yang Ling,Nancy,Mike,David,Liu Tao,David,Look and learn,Thank you,