The UN officials say it could be many weeks and even months ____ a deal is reached．
#33995
A
before
B
after
C
when
D
as
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_____ the government recovers the vehicle purchase tax and the oil prices go up continuously, the sales of the vehicle in China are still increasing every year.
#31216
A
When
B
Once
C
Since
D
While
—Have you seen Rose recently? — No．It’s five years _____ I met her．
#79849
A
since
B
after
C
when
D
before