问题补充:
Playing too many computer games students.
A. is bad to
B. is bad for
C. are bad to
D. are bad for
答案:
A. is bad to
(答案→)B. is bad for
C. are bad to
D. are bad for
解析:be bad 后接to对某人态度不好;接for对……有坏处。句意:玩太多的电脑游戏对学生不好。本句主语是动名词短语,表示抽象动作,不可数,故谓语动词用单数。选B。