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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...