is more important is as the earth cooled down, water began to appear on its surface.
#30116
A
What /that
B
That/what
C
What / what
D
That / that
推荐题目
______ I accept that he is not perfect, I do actually like the person.
#33714
A
While
B
Since
C
Before
D
Unless
By improving reading skills, you can read faster and understand more of _______ you read．
#32047
A
that
B
what
C
which
D
whether
The Time Traveler stops 30 million years into the future and experiences a future time _____ the sun no longer shines brightly.
#34274
A
where
B
when
C
which
D
and
Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, ______ the number of people infected with the virus is going up sharply.
#32337
A
when
B
which
C
that
D
where
The pretty girl is always busy helping her mother with the housework _________ I go to visit her family.
#32122
A
every time
B
every time when
C
at every time
D
however time