Last night I was watching some news about the American financial crises(金融危机) on TV _______ the power went off.
#31443
A
while
B
as
C
when
D
during
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We don’t doubt _____ he can do a good job.  
#34097
A
whether  
B
that  
C
how
D
why
________ we know, the moon goes around the sun.
#32297
A
As long as
B
As far as
C
As much as
D
As soon as