Many people believe we are heading for environmental disaster _____ we basically change the way we l

题目简介

Many people believe we are heading for environmental disaster _____ we basically change the way we l

题目详情


Many people believe we are heading for environmental disaster _____ we basically change the way we live.
A.butB.althoughC.unlessD.once
题型:单选题难度:偏易来源:不详

答案

C

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