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We’ll have a picnic in the park this Sunday ________ it rains or it’s very cold.

A. since           B. if           C. unless          D. until

 

C

【解析】

試題分析:考查從句連接詞辨析。句意:這個周日,我們將去公園野炊,除非下雨或天氣非常寒冷。A自從,由于;B如果;C除非,如果不;D直到。until常與not連用,構成not...until...直到............句型,故選C

考點:考查從句連接詞辨析

 

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