The water will be much more polluted unless some measures______ right now.

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问题 The water will be much more polluted unless some measures______ right now.

选项 A、will be taken
B、are taken
C、were taken
D、had been taken

答案B

解析 unless引导条件状语从句时,从句用一般现在时,主句用一般将来时。另外,从句中的measures和take为逻辑上的动宾关系,所以应用被动语态。故选B。
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本试题收录于: 英语题库普高专升本分类
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