–Are they ______books? --No, they aren't
问题:
–Are they ______books?
--No, they aren't. They're ______ books.
A.you; they
B.your; he
C.your; her
D.your; she
–Are they ______books?
--No, they aren't. They're ______ books.
A.you; they
B.your; he
C.your; her
D.your; she