---Whose book is this? There is no name on it.---Let me see. Oh it’s . I lost it a few da

问题补充：

---Whose book is this? There is no name on it.

---Let me see. Oh, it’s . I lost it a few days ago.

A. his

B. hers

C. yours

D. mine

答案：

A. his

B. hers

C. yours

(答案→)D. mine

解析：his他的；hers她的；yours 你的；mine我的。句意：这是谁的书？上面没有名字。——让我看看，哦，是我的。前几天我丢了它。结合语境可知选D。