A. morning
B. fine
C. you
D. I'm
E. Bye- bye
一Hello, ______David.
—______, Sam.
—______
一I'm______, thank you.
—________ —I'm fine.
—________ —Bye!
—________ —Good morning!
—Hello, I' m Daming!
— _____
A. How are you, laura?
B. Bye- bye, Liu Ting.
C. Hello. I'm Liu Ting.
D. I'm fine. Thank you.
E. Goodbye, Laura.
F. Hi, Liu Ting, I'm Laura.
正确顺序: C→→→→→