The global warming is more and more serious, for which human beings ______.
#93649
A
are blaming
B
are to blame
C
are going to blame
D
are to be blamed
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This is the first time I ______ such beautiful music .
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A
heard
B
am hearing
C
will hear
D
have heard
_______get a good seat, he set out early after supper.
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A
In order to
B
So that
C
So as to
D
In order that
Thanks to the computer, I got several times _______ information _______ they did. 
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A
as more; as
B
as much; than
C
as much; as
D
as many; as
____________, I wouldn’t have finished my homework.
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A
If you didn’t help me
B
Had you not helped me
C
If you haven’t helped me
D
Haven’t you helped me
 Space exploration has been made ______ with the development of modern science and technology.
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A
it possible
B
it was possible
C
that possible
D
possible