问题
选择题
We should do what we can ________ crime, because it is ________ danger to society. [ ]
A. reduce; /
B. to reduce; a
C. reduce; a
D. to reduce; /
答案
答案：B
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We should do what we can ________ crime, because it is ________ danger to society. [ ]
A. reduce; /
B. to reduce; a
C. reduce; a
D. to reduce; /
答案：B