________ the problem of land erosion(侵蚀) getting more serious, the government is searching for a way to deal with it. 
#92223
A
As
B
When
C
With
D
If
推荐题目
Modern science and technology has ___ communication between people far apart.
#94771
A
made convenient
B
made it convenient
C
made it convenient for
D
made it convenient to
 - My dad bought me a new MP4, but I don’t know __________.- Let’s read the instructions.
#92121
A
What to use
B
how to use it
C
What to use it
D
when to use
It _________ there is a disaster _________ people will think much of the safety.
#93943
A
is until; when
B
is until; that
C
isn’t until; when
D
isn’t until; that