题干
选择合适的选项完成对话。
Cheng Jie: Good morning!
Amy: ____
Cheng Jie:Nice to meet you.
Amy: ____
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.
答案(点此获取答案解析）
D,B,C,A
中，
分别是
的中点，下面四个结论中不成立的是