根据对话内容，在每个空白处填入一个适当的句子，使对话完整、合乎情境。

A: Hi, Tom. It's a photo of a bear.?

B: Yes, it's my photo.

A: ?

B: Yes ,I like it.

A: ?

B: It's from America.

A:

B: It's about two years old.

A: Is it in our zoo?

B: No.

A: ?

B: It's in a zoo in Xi'an.