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Do you know that Yuan Longping is known as ______ father of hybrid rice (杂交水稻)?
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/
B
the
C
a
D
an
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 The winning of hosting _______ 2014 Youth Olympic Games is ______ victory not only for Nanjing residents, but for ________ people of the whole Chinese nation.
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the; a; the
B
a; the; a
C
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There was       time       I hated to go to school.
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A
a; that
B
a; when
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Shy as he would be in _______ public, he is getting more confident in making _______ public speech.
#8691
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B
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Some people argue using ____________ nature to meet our own needs may spell disaster, unless we start to look around and understand how _________ clean environment benefits us all.
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/; a
B
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____ horse is ___ useful animal.
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A
A, an
B
The, the
C
A, the
D
The, a