问题补充：
---There is still a copy of the book in the library. Will you go and borrow ?
---No, I’d rather buy in the bookstore.
A. it, one
B. one, one
C. one, it
D. it, it
答案：
(答案→)A. it, one
B. one, one
C. one, it
D. it, it
解析：句意：图书馆里仍然有一本这种书，你要去借它吗？不，我更想在书店买一本。it 表示特指，one表示泛指，故选A
