根据对话内容,在每小题的横线上填入适当的句子,使对话意思完整。 A: Hello! Where are you from? B: America. __ 1 __? A: I'm from China. B: China? It's a very beautiful country. A: Have you ever been to China? B: Yes. A:__ 2 __? B: 2 years ago. A: __ 3 __ ? B: Chinese food is great. A: __ 4 __? B: I like dumplings best. A: If you visit China next time, I'd like to show you around. B: __ 5 __ . A: You're welcome.