题目内容：

根据对话内容 ,从方框中选出适当的选项补全对话。

A: Lucy, do you know what the largest palace in the world is?

B: Sure. It's the Palace Museum.1.

A: That’s right. Then do you know how old it is?

B:2. Can you tell me?

A: Yes, it's six hundred years old.

B:3.

A: Yep!

B: Wow! I really want to visit it. It' s a pity that it' s closed now because of COVID—19.

A: Well, you don’t have to go there in person to visit it.

B:4.

A: Check out the Panoramic(全景的)  Palace Museum on its website and you can have a VR tour of the museum.

B:5. I'll visit the website right now!

A.No. I don't.

B.Sounds amazing.

C.What do you mean?

D.It's also known as the Forbidden City.

E.You mean 2020 marks the 600th birthday of it?