—What should we do first if we want to develop our village? —A lot of new roads, I think.

发布时间：2020-08-21 10:40:45

—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

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解析：本题考查的是被动语态，情态动词的被动语态结构为主语+情态动词+be +动词的过去分词，故选C
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