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He doesn’t think the question of ________they are boys or girls is important.
#30983
A
if
B
whether
C
which
D
that
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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.
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A
When
B
Once
C
Since
D
While
A cup of water _________ you will feel better.
#32617
A
or
B
but
C
so
D
and
.A computer is so useful a machine ________ we can use everywhere.
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A
that
B
which
C
as
D
what
It has been two years          we left school.  
#33242
A
since
B
when
C
before
D
as
—Have you seen Rose recently? — No．It’s five years _____ I met her．
#79849
A
since
B
after
C
when
D
before