无
*注意事项:
Hello, Daming.
How are you?
Goodbye!
I'm fine, thank you.
Hi, Amy.
— Hello, Daming.
— , Sam.
—
— I'm , thank you.
— , Amy.
A. Good morning, Sam.
B. I'm fine, thank you.
C. Bye-bye, Mingming.
D. Hello, Lingling.
E. Hi, Mingming.
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