Unit 1 Im Sam,Module 1,Hello！,Hi！,Hello，Im Sam,Hello, Sam,Hello，Im Amy,Hello, Amy,Im Lingling,Hi, Lingling,Im Daming,Hi, Daming,Goodbye, Lingling. Goodbye, Daming.,Bye-bye, Amy. Bye-bye, Sam.,Hello！ Hi！ Im Goodbye! Bye-bye!,Goodbye,
