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Last night I was watching some news about the American financial crises(金融危机) on TV _______ the power went off.
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A
while
B
as
C
when
D
during
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I was about to leave _____ the telephone rang.
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then
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when
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that
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and when
This coat will lose its color ___________ it's washed.
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A
as
B
after
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until
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while
What some Chinese parents understand is that nothing is fun  _______  their children are fond of it.
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A
after
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when
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if
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unless
   a bad habit is formed, it will take a long time to get rid of it．
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A
Ever since
B
While
C
Once
D
Even if
It's 5 days            we came here. Why shouldn't we start?
#29953
A
when
B
before
C
as
D
since