A. | B. |
A. | B. |
A. | B. |
A. | B. |
A. | B. |
A.Good morning, Xiaoming. | B.Hi! I'm Xiaoming. |
A.Hello. | B.Nice to meet you. |
A.Hello! This is Mary. | B.Hi! I'm Mary. |
A. Good afternoon, Guo Yang. B. My name is Lingling. C. I'm fine. Thank you. D. Nice to meet you. E. Hello, Wang Hong! F. Bye, Miss Zhang. G. Good morning, Sam. |