The problem of air pollution is becoming more serious ______ the increasing number of cars.
#27126
A
as for
B
because
C
as a result
D
as a result of
推荐题目
Do you know that girl ?The one ___red.
#28139
A
having
B
wearing
C
in
D
putting on
 It is amazing that the little boy can swim ________the river ________100 meters in width. 
#25610
A
across; measuring
B
over; measured
C
across; measured
D
through; measuring
______ the challenges, I become stronger than I used to be. 
#26811
A
Rather than
B
Thanks to
C
Instead of
D
As a result