----- There must be a dozen pens in this house but I can never find one when I need one.   ---- Keep looking. ____is sure to turn up. 
#16737
A
One
B
It
C
That
D
This
推荐题目
___ us has a bike. 
#16406
A
No of
B
Not of
C
None of
D
Not
There is ______ in today’s newspaper.
#57415
A
something important
B
important something
C
anything important
D
important anything