Though many of the heavy smokers have realized the serious effect that smoking has ______ their health, they continue to smoke instead of ______. 
#26930
A
for; giving it up
B
on; quitting
C
to; abandoning
D
on; leaving
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We stayed at home ________ the rain .
#26362
A
because of
B
because
C
as
D
since
Air quality in Beijing was rated as poor______ more than 5 million cars in the capital.
#25604
A
except for
B
regardless of
C
due to
D
in spite of
______ running,learning English needs will.
#28371
A
As with
B
As to
C
As for
D
As if