________you never plan to visit the polar bears in the North Pole or the penguins in the South Pole，now it is the proper time to start thinking about that.
#30102
A
Until
B
Unless
C
As long as
D
Even if
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The Voice of China has set up a stage some people can achieve their dreams．
#30505
A
which
B
where
C
that
D
when
—How long have you been studying in No. 8 Middle School?—More than two years.—So it will be less than one year you graduate from it.
#33464
A
when
B
before
C
after
D
since
I was feeling left out in the new school Alice ,an easygoing girl from Canada ,came to stay with me．
#30187
A
if
B
once
C
when
D
unless