How long do you think it will be ________ the computer company puts forward a new product?
#33737
A
before
B
since
C
until
D
that
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_____ he denied having seen my lost MP4, I believe at least from nobody else can I get better source of information.
#33855
A
As
B
While
C
Anyhow
D
In case
______ you make a promise, you should keep ______.
#33692
A
Once… it
B
If… it
C
When … one
D
Although … one