The two girls are so alike that strangers find ____ difficult to tell one from the other.
#15830
A
it
B
them
C
her
D
that
推荐题目
Recycling is one way to protect the environment; reusing is ______. 
#15164
A
another
B
the other
C
one another
D
one
___ of us has a bike.
#17078
A
No of
B
None of
C
Not of
D
Not
Someone is ringing the doorbell . Go and see ____________.
#14574
A
who he is
B
who is he
C
who is it
D
who it is