问题补充：
—Is this dictionary?
—No, isn’t. It’s dictionary.
A. his; it; her
B. your; it; my
C. her; this; his
D. your; that; his
答案：
(答案→)A. his; it; her
B. your; it; my
C. her; this; his
D. your; that; his
解析：
问句和答语中的dictionary前必须用形容词性物主代词。答语中的第一空格必须用代词主格。很显然选A.
