Food shortage will long be a worldwide problem _______ much has been done to supply enough for everyone.A．beforeB．ifC．sinceD．although-高中英语-n多题

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Food shortage will long be a worldwide problem _______ much has been done to supply enough for everyone.

A．before	B．if
C．since	D．although

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◎ 解析

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◎ 知识点

根据n多题专家分析，试题“Food shortage will long be a worldwide problem _______ much has been done to supply enough for everyone.A．beforeB．ifC．sinceD．although…”主要考查了你对【状语从句】，【限制性定语从句】，【主语从句】，【同位语从句】等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。

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