问题
选择题
If we expect ________ much cleaner world, we should attract ________ world's attention to protect the world.[ ]
A. a; a
B. a; /
C. a; the
D. the; /
答案
答案：C
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If we expect ________ much cleaner world, we should attract ________ world's attention to protect the world.[ ]
A. a; a
B. a; /
C. a; the
D. the; /
答案：C