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
-Do you know ______ this i-pad belongs to? - Let me see. Oh, it’s ______.
#38986
A
who; her
B
whose ; her
C
who ; hers
D
whose ; hers
All the members in our family love NBA except ________ . 
#54812
A
you and I
B
you and me
C
I and you
D
he and me