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If we want ______much cleaner world, we should reduce _______ emission of carbon dioxide.
#9403
A
a; a
B
a; /
C
a; the
D
the; /
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It is ________ challenge for graduates to get ________ job as unemployment is high nowadays.
#7999
A
the;不填 
B
a;不填
C
a;a C
D
不填;the
In __________ review off 44 studies, American researchers found that men and women who ate six key foods daily cut the risk of __________ heart disease by 76%. _______
#10174
A
a; the
B
the; a
C
a; 不填
D
不填; a
“You are wanted on ______ phone.” is another way to say “Someone wants to speak to you by ________phone.”
#8881
A
/ , /
B
/ , the
C
the , /
D
the, the
 _____ first voyage of the ship ---- Titanic was not ______ success. 
#8199
A
The, a
B
A, a
C
A, the
D
The, the
—— Did you have a good time at ________ party last night?—— Yes. I’ve never been to ______ more exciting one.
#9156
A
the; the
B
the; a
C
不填;the
D
a; a
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