根据对话内容，在每个标有题号的空白处填入一个适当的句子，使对话完整，合乎情景。

A: Hello, Lucy. May I ask you some questions?

B: Sure. What are they?

A: I hear you like collecting stamps. 小题1:                                     

B: Since I was ten years old.

A: 小题2:                                      

B: Because I can learn a lot of history and culture from them.

A: 小题3:                                     

B: I have had 500 stamps.

A: 小题4:                                        

B: I put them on my shelf.

A: 小题5:                                      

B: Yes, my parents allow me to practice my hobbies as much as I want.

A: Thank you.

B: You’re welcome.

城市维护建设税纳税人所在地分为市区、县镇、农村，其税率分别是（）。

A、10%

B、7%

C、5%

D、3%

E、1%