——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. 
#17140
A
One
B
It
C
That
D
This
推荐题目
 To save class time, our teacher has ____ students do half of the exercises in class and complete____ for homework.
#15149
A
we; the other half
B
our; other half
C
us; the other half
D
us; others
Is there ______in today’s newspaper ?
#57556
A
anything interesting
B
interesting anything
C
nothing interesting
D
interesting nothing