Sam和Daming正在图书馆里借书。请选择合适的单词将他们的对话补充完整。

Here    library    Where    also    card    on

Sam: Excuse me. are the books about China, please?

Librarian: They're Shelf C.

Daming: Look! They're all .

Sam: I think this book is nice.

Daming: And there is a CD in it.

Librarian: Can I have your , please?

Sam: Yes. Here you are.

Librarian: Thank you.