A.Hello, class. | B.Good morning, class. | C.Good afternoon, class. |
A.Hello. | B.Goodbye. | C.Good morning. |
A.Hello. | B.I'm Liu Tao. |
A.I’m... | B.Yes, I am. | C.No, I’m not. I’m... |
A.Goodbye, Sam. | B.Hello, Sam. | C.See you, Sam. |
A.Hello, Tina. | B.Hello, Bobby. | C.Hello, Mike. |
A.Good evening, Mum. | B.Good morning, Mum. | C.Goodbye, Mum. |
A.Hello, Mike. | B.Hello, I’m Mike. | C.Hello, he's Mike. |