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【题目】If we ______ take environmental problems seriously, the earth ______ worse and worse.

A.don’t; won’t beB.won’t; isn’tC.won’t; isD.don’t; will be

【答案】D

【解析】

考查一般将来时。句意:如果我们不严肃对待环境问题,地球将会变的越来越糟糕。本题中if 引导条件状语从句意为“如果”,根据主将从现原则,即主句用一般将来时从句用一般现在时表将来。故选D项。

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