题目

— Dad,can I surf the Internet?     —Again?I wish that you _____going online _____your health.     A.know;will do harm to    B.knew;are doing harm to    C.know;have done harm to    D.knew;were doing harm to 答案：B 解析:    本题中wish后的宾语从句通常用虚拟语气，表示与事实相反或不太可能实现的愿望。

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