阅读下面的对话，根据上下文，选择适当的句子将对话补充完整，并将其标号写到相应的横线上。（每小题2分，共10分）
A: Welcome to our school! This is my classroom.
B: It’s so big.
A: Forty-five students.
B:
A: No, it isn’t.
B:
A: Yes, we do. It’s on the second floor. This way, please.
B:
当你想问别人明天想干什么时，你该怎样说？
A. What are you going to do tomorrow ?
B. Where are you going to do ?
当你想问别人怎样到达图书馆时，你该怎样说？
A．How can I get to the library?
B．Can I help you?
当你想问电影院在哪里时，你怎样说？
A．It's very far
B．Where is the cinema?
想邀请你的朋友参加你的12岁生日聚会，你说：
A．Come here and join us.
B．Please come to my twelfth birthday party.
把正确的答句的字母标号填入相应问句前的括号内。