--Are these your books?--Yes,    
#35304
A
they're
B
they are
C
these are
D
these're
推荐题目
Please ask ___________. He may know which one is __________.
#34932
A
he, your
B
him, yours
C
his, you
D
him, your
Who buys      a nice present?
#35228
A
they
B
them
C
their
D
theirs
--- Is this _____computer game?   --- Yes, ___is ____computer game.
#35099
A
his; it; me
B
your; this; his
C
your; it; my
D
you; it; my