In China, ____ car is getting to be _____ popular means of transportation.
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a; /
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the; the
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/; a
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the; a
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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.
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a , /
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an, /
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the, an
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an, the
World Wide Web was invented in 1991 by English scientist ,Tim Burners-lee.
#9411
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\; an
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The; an
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The; the
D
A; the
I earn 10 dollars ____ hour as ____ supermarket cashier on Saturdays.
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a; an
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the; a
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an; a
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an; the
After the violent earthquake, Japan has been still in ______ trouble and the whole world seems to be at ______ end.
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the; an
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the; /
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/; an
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/; the
We don’t think the experiment is _______ failure. At least we have gained _______ experience for future success.
#8406
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the; a
B
a; an
C
a; /
D
/; the