◎ 题干
There _____ be a shortage of water in Yunnan? I wonder. You know it is in the southwest of China where there used to be adequate rain .
A could              B  must            C  can              D should
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“ There _____ be a shortage of water in Yunnan? I wonder. You know it is in the southwest of China where there used to be adequate rain .A could B must C can D…”主要考查了你对  【虚拟语气】【情态动词】  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。