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#34052
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the
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We can have ___ bluer sky if we create ___ less polluted world.
#34197
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a. a
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a, the
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#32090
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a; the
C
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#34463
A
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B
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#34389
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a/a
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an/an
C
a/an
D
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—Our Chinese diving team won a gold medal again!—What _____ good news! 
#32667
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a
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an
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the
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