—Is this new book Shirley?—No it isn’t. Maybe it’s .A. your; hisB. your; himC. yours; hi

问题补充：

—Is this new book, Shirley?

—No, it isn’t. Maybe it’s .

A. your; his

B. your; him

C. yours; his

D. yours; him

答案：

(答案→)A. your; his

B. your; him

C. yours; his

D. yours; him

解析：形容词性物主代词后须接名词，名词性物主代词后不需接名词。第一道横线的后面有名词book, 所以用形容词性物主代词；第二道横线的后面没有名词，所以用名词性物主代词。故选A。