—Is this your book Alice?—Yes it is book.A. hisB. herC. hersD. my

问题补充：

—Is this your book, Alice?

—Yes, it is book.

A. his

B. her

C. hers

D. my

答案：

A. his

B. her

C. hers

(答案→)D. my

解析：句意：爱丽丝，这是你的书吗？是，它是我的书。人称代词的主格作主语，宾格放在介词或动词后做宾语，形容词性的的物主代词，修饰名词。名词性的物主代词，起到名词的作用，翻译为……的，结合句意，我的，形容词性物主代词，故选D