Hard _____ he tried, he failed to catch up with the first runner.
#32786
A
although
B
as
C
while
D
when
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____ I can see, there is only one possible way to keep away from danger.
#31197
A
As long as
B
As far as
C
Just as
D
Even if
Shopping on the net is more and more popular. Taobo is Asia's largest retail (零售的) network platform, ______ people can buy and sell many kinds of things.
#31736
A
which
B
where
C
what
D
whose
___________ you've got a chance, you might as well make full use of it.
#80325
A
Now that
B
After
C
Although
D
As soon as
The moment ________ Leo will never forget is________ Mr. Smith gave him a lot of valuable advice on how to improve his writing.
#31876
A
that; when
B
that; that
C
when; that
D
when; /