问题
The heavy smoker has decided to _____ smoking, for he knows smoking _____ his health.
A:cut down, is harmful to
B:cut up, does harm to
C:cut off, is harmful for
D:cut down, does harm for
B:cut up, does harm to
C:cut off, is harmful for
D:cut down, does harm for
正确答案是：
同类题型
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