A：three
B：two
C：third
选择合适的选项完成对话。
Cheng Jie: Good morning!
Amy: ____
Cheng Jie:Nice to meet you.
Cheng Jie: ____
Amy: My name is Amy.
Cheng Jie:____
Amy: I'm from the USA.
A. Where are you from ? B. Nice to meet you, too.
C. What's your name? D. Good morning.
— What are you doing Daming?
— I'm _________ an email to my friend. （ ）
