Lawrence Craven, a doctor from the USA, is the author of several published reports, one of which introduced the idea in 1953 ________ aspirin could reduce the risk of heart attacks by thinning blood.
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A
when
B
where
C
that
D
which
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In his speech,he drew attention to the poor desert nation, _______about 36. million people are hungry.
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A
which
B
there
C
where
D
for which
__________, they couldn’t make her change her mind.
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A
Hard as they tried
B
Tried hard as they
C
As they tried hard
D
They tried as hard
The most widely accepted theory about the beginning of drama is based on the concept ______ drama evolved from ritual.
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A
which
B
that
C
when
D
as
___ , he still put people’s life in the first place.
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A
However he was tired
B
Now matter he was tired
C
Now matter how was he tired
D
However tired he was