Did you find the pen yesterday?No I didn’t find but I have bought .A. it; itB.

问题补充：

--- Did you find the pen yesterday?

--- No, I didn’t find , but I have bought .

A. it; it

B. one; it

C. it; one

D. one; one

答案：

A. it; it

B. one; it

(答案→)C. it; one

D. one; one

解析：用it 表示同类事物，特指前面提到的那支笔。在第二个空中，用one表示某一只笔。