◎ 题干
—What should we do first if we want to develop our village?
—A lot of new roads_____, I think.
A. have to build    B. must build  C. must be built
◎ 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“—What should we do first if we want to develop our village? —A lot of new roads_____, I think. A. have to build B. must buildC. must be built…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  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。