What is even more important is_____ the earth cooled down, water began to appear on its surface.
#79386
A
that
B
that as
C
which
D
which as
推荐题目
Diligence is ______ it takes for the post-90's generation to win competitions.
#79382
A
what
B
where
C
which
D
when
The reason ____he was late was ____he had taken a wrong bus.
#79465
A
why; because
B
for; because of
C
why; that
D
for; that
Great changes have taken place in that school. It is no longer ______ it was 20 years ago, _____ it was so poorly equipped.
#79406
A
what; when
B
that; which
C
what; which
D
which; that