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The president of Haiti said on TV that people in         country were making an effort to bring         end to poverty.
#7862
A
a; /
B
the ; the
C
the; an
D
/; an
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—Why did you let ____ kids off this time?—I just want to give them ____ second chance.
#9507
A
/; the
B
the;/
C
the; the
D
the; a
While other scientists are keeping____eye on changes in the H5N1 bird flu strain, the scientists in England are working on vaccines, in case it becomes highly infectious in ____humans. 
#9824
A
a , /
B
an, /
C
the, an
D
an, the
According to the recent reports, one of the animals, _____ crocodile, is in _____ danger of dying out.
#10315
A
the; the
B
the; /
C
/; /
D
/; the
In the face of _____ failure, it is the most important to keep up _____ good state of mind.
#8153
A
/; a
B
a; /
C
the; /
D
/; the
Tom, Jack and Rose were named as assistant professors. Believe it or not, ______ three of them were of ______ age.
#9927
A
不填; an
B
不填; the
C
the; an
D
the; the
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