问题
选择题
–Are they ______books?
--No, they aren't. They're ______ books.
A．you; they
B．your; he
C．your; her
D．your; she
答案
答案：C
题目分析：根据books可知，前面应该用物主代词，而you、she和he都是人称代词主格。故应将ABD排除。所以本题选C。
点评：做本题时需要弄清人称代词和物主代词的区别，当然本题可以从意思上加以判断。