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
______ you make a promise, you should keep ______.
#33692
A
Once… it
B
If… it
C
When … one
D
Although … one
It was ______ he said ______ disappointed me.
#34339
A
that; what
B
that; that
C
what; that
D
what; that
I was so familiar with her that I recognized her voice ________ I pickedup the phone.
#31811
A
the moment
B
after
C
before
D
while
I want to thank my friend John, without _____ help, I wouldn't have been saved.
#31068
A
his
B
whose
C
whom
D
Which