填空题 If our society has changed in drastic ways in that same time, why not assume that TV is the reason 1 American life looks so different?
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【正确答案】 1、why    
【答案解析】[解析] “the reason”是限制性定语从句的先行词，又因为引导词在从句中作状语，故使用关系副词why。