一年级(1) Good morning. Good morning.(2) Hello, Tony. Hi, Smith.(3) Hello, How are you?Fine, thank you. And you? I am fine too .(4) Goodbye, Tony. Goodbye, Sm... 一年级(1) Good morning. Good morning.(2) Hello, Tony. Hi, Smith.(3) Hello, How are you?Fine, thank you. And you? I am fine too .(4) Goodbye, Tony. Goodbye, Sm...