Do you think        necessary to do a bird count ?Yes , we must count them at least once a year 
#53119
A
it
B
that
C
we
D
they
推荐题目
—Is this ___________ruler?     —No.________________is over there.
#53470
A
her;Her
B
her;Hers
C
hers;Hers
D
hers;Her
She is _____ friend.
#39739
A
mine
B
my
C
ours
D
theirs
That is ____ bag. But this is ____ .
#53989
A
my; your
B
her ; his
C
his; her
D
theirs; ours