问题补充:
--- Excuse me, are these books ?
--- No, they are classmate’s
A. his; he
B. hers ; hers
C. your ; mine
D. yours ; my
答案:
A. his; he
B. hers ; hers
C. your ; mine
(答案→)D. yours ; my
解析:形容词性物主代词后必须加名词,your是形容词性物主代词,故不选C,后修饰
名词的必须是形容词性物主代词,he是人称代词,mine和hers是名词性物主代词,
故不选ABC,my是形容词性物主代词,故选D。