Telephone users sometimes complain about unreliable service and       they consider unfair charges.
#31509
A
which
B
that
C
what
D
how
推荐题目
 Is it the country ________ you studied ________ you are going to visit next week?
#33526
A
in which; which
B
where; that
C
that; that
D
where; where
27. She locked her room _____ a thief would break into it.
#79728
A
in case that
B
for fear that
C
in case of
D
for fear of