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单项选择题

A．When they’re unable to control the person’s behavior.
B．When the causes of the behavior are obvious.
C．When the consequences of the behavior are unpleasant.
D．When the behavior is expected.
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热门试题

单项选择题A．There were only grandparents and children.B．There was one father, one mother, and their children.C．There were many relatives.D．There were two or more brothers with their wives.

A．There were only grandparents and children.
B．There was one father, one mother, and their children.
C．There were many relatives.
D．There were two or more brothers with their wives.

单项选择题A．His notes are poor.B．His vision is getting worse.C．He has missed a couple of classes.D．He doesn’t have any money to buy notes.

A．His notes are poor.
B．His vision is getting worse.
C．He has missed a couple of classes.
D．He doesn’t have any money to buy notes.