________ is known to us all is that Antarctica is the coldest place on Earth.
#31155
A
It
B
As
C
What
D
That
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—I’m going to the office.—________ you’re there,can you get me some stamps?
#80179
A
As
B
While
C
Then
D
Where
The new China was founded in 1949, ______ great changes have taken place.
#33502
A
since when
B
after which
C
in which
D
when
They intended to have the school better equipped， the local government was not able to get enough money to do so.
#33208
A
unless
B
while
C
although
D
once
There’s now a consensus nearly all over the world _____ we’re facing a fragile world peace.
#33571
A
where
B
which
C
that
D
what