____ can be seen in the chart right here, the air pollution level in the city has been increasing over the last months.
#78641
A
What
B
It
C
that
D
As
推荐题目
Language learning，________ the expert pointed out in his lecture，is more than remembering words and phrases.
#78619
A
as
B
which
C
that
D
what
I’ll spend my holiday in Qinghai, _____ lies in the north of China.
#78681
A
who
B
which
C
where
D
that
Now everyone is concerned about how to conquer the economic crisis, __________is very important for us to preserve our standard of living．
#78697
A
which success
B
its success
C
the success of which
D
the success of it