--Is this your e-book?-No is on the teacher’s desk.A. HisB. YoursC. HersD. Mine

问题补充：

--Is this your e-book?

---No, is on the teacher’s desk.

A. His

B. Yours

C. Hers

D. Mine

答案：

A. His

B. Yours

C. Hers

(答案→)D. Mine

解析：词义辨析。句意：这是你的电子书阅读器吗？不是，我的在老师的桌子上。所以选D。