题目内容
If we ______ take environmental problems seriously, the earth _______ worse and worse.
| A．don’t; will be | B．won’t; isn’t |
| C．won’t; is | D．don’t; won’t be |
A
解析试题分析：句意：如果我们不严肃对待环境问题，地球就会变得越来越糟糕。结合语境可知主句描述的是将来动作，故用一般将来时态。当主句描述将来动作时，英语条件状语从句中一般用一般现在时态。选A。
考点：考查时态辨析
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