A.Sit down . | B.Stand up. |
A.Hello. | B.My name is Chen Jie. | C.Goodbye. |
A.Hello! | B.Good morning! | C.See you. |
A.How old are you? | B.Goodbye. | C.Nice to meet you! |
A.Hello, Sarah. |
B.Good morning, Sarah. |
C.I’m Mr. Black. |
D.Good afternoon, Sarah. |
A.Close the door. | B.Close the window. |
A.Hello! I’m John. | B.Hi! John. | C.This is John. |