——What do you usually do in your free time?—— I enjoy reading in the library has many goo

问题补充：

——What do you usually do in your free time?

—— I enjoy reading in the library has many good books.

A. when

B. who

C. which

D. what

答案：

A. when

B. who

(答案→)C. which

D. what

解析：本题考查的是定语从句，根据先行词为物，且又在从句中作主语，故选C