Zhouqu, Gansu was attacked by such a terrible mud-rock flow few residents had ever experienced before.
#33066
A
as
B
which
C
where
D
that
推荐题目
Experts are trying to work out a plan to deal with the problems caused by global warming ______ it is too late.
#31459
A
when
B
if
C
before
D
until
The medicine works more effectively_____you drink some hot water after taking it.
#80414
A
as
B
until
C
although
D
if
A turning point of the continuously high housing price won’t appear suddenly because there must be a certain process_______many factors lead to the change.
#30821
A
which
B
what
C
where
D
that
________ the fire breaks out，he is the first to arrive at the scene.
#30229
A
Every time when
B
Moment
C
No matter whenever
D
Every time
____ we get on well with a number of people , we are usually friends with only a very few．
#31752
A
As
B
Once
C
Before
D
While