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【题目】We need some more facts and data we make the final decision.

【答案】before
【解析】before 考查连词。before主要引导时间状语从句,意为“先于”“…之后才”“(不多久)就…”。当主句是将来时时,从句谓语动词须用现在时;当主句是一般过去时或过去完成时时,从句常用过去时。before引导的时间状语从句不能用于否定式。故填before。

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