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【题目】We won’t take action ________ we believe things are getting better.

A. though B. however C. unless D. where

【答案】C

【解析】考查连词。句意:我们不会采取行动,除非我们相信情况正在好转。A. though尽管;B. however然而;C. unless除非;D. where在哪里。根据题干won’t得知,此题要表达“除非……否则……”。故选C项。

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