阅读对话，判断正（丁）误(F)。
Betty：(Knocking at the door)
Mr Han：Who is it? Go and see，Meimei.
Han Wei：Oh，it's you，Betty. Glad to see you.
Betty：Hi，Han Wei. Glad to see you，too. Is everyone in?
Han Wei：Yes. We are all here. Come in，please.
Betty：Thank you.
1. Betty is knocking at the door.
2. Mr Han opens the door.
3. This is Meimei's home.
4. Everyone isn't in.
5. Their friends are at Han Mei's home.