问题补充:
Drinking too much your health.
A. do harm to
B. is harm to
C. does harm to
D. do harmful to
答案:
A. do harm to
B. is harm to
(答案→)C. does harm to
D. do harmful to
解析:原句意思是:饮酒过度对你的身体有害处。Harm是名词,harmful是形容词。表示“对……有害”,可用be harmful to, 也可以是do harm to,比较A与C,注意主语是Drinking,所以答案是C。