◎ 题干
I can't imagine there ________ be a shortage of water in Yunnan, the southwest of China
where there used to be adequate rain.
[    ]
A. could  
B. must
C. might  
D. should
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“I can't imagine there ________ be a shortage of water in Yunnan, the southwest of Chinawhere there used to be adequate rain. [ ]A. couldB. mustC. mightD. s…”主要考查了你对  【情态动词】【助动词】  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。