[A] Get some books for the man to look at. [B] Ask the man to look over her notes. [C] Continue her research in the library. [D] Find more information on how books are preserved.
参考答案:
答案解析:
[A] They are difficult to read.[B] They are slowly falling a
[A] They are difficult to read.[B] They are slowly falling apart [C] They were n