Have you seen a dictionary?There’s one on the teacher’s desk. Is it ?A. hisB. hers

问题补充：

--- Have you seen a dictionary?

--- There’s one on the teacher’s desk. Is it ?

A. his

B. hers

C. mine

D. yours

答案：

A. his

B. hers

C. mine

(答案→)D. yours

解析：本题考查的是名词性物主代词，相当于名词，后不需接名词，故选D