About one in ten computer game players show signs of addictive behavior that hav

About one in ten computer game players show signs of addictive behavior that have negative effects on their family, friends and school work , according to a new study.

A． could B．should C．need D．would

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此题考查情态动词的用法. could 表示”可能性”

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About one in ten computer game players show signs of addictive behavior that hav

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