Although some countries have taken action to solve the shortage of water, it ...

作者: tihaiku 人气: - 评论: 0

问题 Although some countries have taken action to solve the shortage of water, it may be sometime __________ the situation improves.

选项 A.before B.when C.since D.until

答案 A

解析考查连词。句意为“尽管一些国家已经采取措施解决水资源短缺的问题，但是可能还要有一段时间．情况才会好转”，before“在……之前”，when“当……时候”，since“自从”，until“直到”。固定句型itmay／willbe+时间段+before从句表示“还要过多久才……”．故选A。

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文件: /twcms/kongphp/cache/cache_redis.class.php

位置: 第 85 行

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Although some countries have taken action to solve the shortage of water, it ...

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