--Hello，may I speak to Mary please?

--              ．

A．I'm Mary．                                             B．Yes，please．

C．Who are you?                                             D．Hold on，please．

—Hello，may I speak to Mary，please?
—    .

根据对话内容，从方框中选择4个恰当的句子完成对话。

Rick: Hello!     1    

Mary: Hello! This is Mary speaking．

Rick:    2   

Mary: Yes．I have nothing to do．

Rick: Can you go to the movie with me?

Mary:     3    

Rick: Let's go to Movie Palace．It's close to home．

Mary: But it doesn't have comfortable seats．

Rick:       4       It's the best theatre in town．

Mary: That's a good idea．Let's meet at the front gate of the cinema at eight．OK?

Rick: OK．See you．

Mary: See you．