The radiation of uranium was then regarded as_____secret of_____nature.
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a;the
B
a;a
C
the;the
D
a;/
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John, _______ university professor, is considered to be _______ success as ______ expert in the agriculture research.
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A
a; a; an
B
an; / ; an
C
the; /; an
D
a; the; an
Money plays______ important role in the material world. But expecting ______ money to give happiness may be missing the meaning of life.
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a; the
B
an; /
C
a; /
D
the; the
Everybody has ______ responsibility to save water, if future generations are to enjoy _____ similar standard of living to the one we enjoy now.
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the; /
B
a; a
C
/; the
D
a; the
We have every reason to believe that __________ 2016 Olympic Games will be __________ success.
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/; a
B
the; /
C
the; a
D
a; a
The success of holding the 2008 Olympic Games is ______ great pleasure and encouragement to _______ Chinese people.
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A
the; the
B
a; a
C
a; the
D
/; a