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