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We'll have a picnic in the park this Sunday it rains or it's very cold.A.sinceB.ifC.unless

编辑:chaxungu时间:2026-04-27 03:17:54分类:高中英语题库

【题目】We'll have a picnic in the park this Sunday ________ it rains or it's very cold.

A.sinceB.ifC.unlessD.until

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【答案】C

【解析】

考查从属连词。句意:除非下雨或天很冷,我们将在本周日去公园野餐。从句子之间的逻辑关系判断,此处应为否定条件句,相当于if...not,故排除if,而选unless。A项since表因果关系;D项until只能引导时间状语从句,故排除。故选C。